List of Salmonella Genes, Version 8.0

Please note that this is a copy of the list maintained at the Salmonella Genetic Stock Center. Please check the original table as it may have been updated. You should also check the updates page to see whether the map has been updated.



Notes:

This information is not updated.  Please consult
the dynamic map for the most recent data available.

Abbreviations: cyclic AMP; CRP, cAMP receptor protein;
DAHP, 3-deoxy-D-arabinoheptulsonic acid 7-phosphate; DMB, dimethylbenzimidazole;
HP, hydrogen peroxide; NAMN, nicotinic acid, mononucleotide;
NMN, nicotinamide mononucleotide; PRPP, phosphoribosyl pyrophosphate

Map positions in centisomes (Cs) indicates the location of the
gene on the map in Fig. 1, from 0 to 100 Cs.
NM indicates that gene is on the chromsome, but the map position is not known.
The symbol pSLT indicates that the gene is on pSLT, the 90 kb plasmid of LT2.




gene    mnemonic      synonyms (if any); description        Centisome

accA                      Acetyl-CoA carboxylase                         6.0    
aceA      Acetate         Growth on acetate or fatty acids; isocitrate   91.3   
                          lyase  (EC 4.1.3.1)                                   
aceB      Acetate         Growth on acetate or fatty acids; malate       91.3   
                          synthase  (EC 4.1.3.2)                                
aceE      Acetate         Acetate requirement; pyruvate dehydrogenase    3.7    
                          (pyruvate:cytochrome b1 oxidoreductase)  (EC          
                          1.2.2.2)                                              
aceF      Acetate         Acetate requirement; pyruvate dehydrogenase    3.7    
                          (pyruvate lipoate oxidoreductase)  (EC                
                          1.2.4.1)                                              
aceK      Acetate         Isocitrate dehydrogenase kinase/phosphatase    91.3   
aciA      Acid-inducible  pH regulated gene; acid inducible              99.5   
aciB      Acid-inducible  pH regulated gene; acid inducible              92.4   
ack       Acetate kinase  Acetate kinase (ATP:acetate                    50.9   
                          phosphotransferase)  (EC 2.7.2.1)                     
ada                       Inducible DNA repair system protecting         50.1   
                          against methylating and alkylating agents;            
                          O6-methylguanine DNA methyltransferase                
adhE                      Reduced survival in macrophages; CoA linked    38.4   
                          acetaldehyde dehydrogenase and alcohol                
                          dehydrogenase                                         
adk                       Adenylate kinase; sensitivity to glycine       11.6   
                          betaine in high osmolality media  (EC                 
                          2.7.4.3)                                              
ahpC      Alkyl           Alkyl hydroperoxide reductase, C22 subunit     14.1   
          hydroperoxide                                                         
ahpF      Alkyl           Alkyl hydroperoxide reductase, F52a subunit    14.1   
          hydroperoxide                                                         
alaS      Alanine         Alanine tRNA synthetase                        62.0   
alkB      Alkylation      DNA repair system specific for alkylated DNA   50.1   
alr       Alanine         Biosynthetic alanine racemase   (EC 5.1.1.1)   92.2   
          racemase                                                              
amiA                      N-Acetylmuramyl-L-alanine amidase activity;    53.2   
                          putative                                              
amiB                      N-Acetylmuramyl-L-alanine amidase  (EC         95.0   
                          3.5.1.28)                                             
amk                       AMP kinase                                     9.1    
ampC      Ampicillin      [[beta]]-Lactamase; penicillin resistance      94.5   
                          (EC 3.5.2.6)                                          
ampD      Ampicillin      [[beta]]-lactamase regulation; putative        3.6    
                          signalling protein                                    
amtA                      Resistance to 40 mM 3-amino-1,2,4-triazole     37.6   
                          in the presence of histidine                          
amyA      Amylase         Cytoplasmic [[alpha]]-amylase  (E.C. 3.2.1.1)  42.6   
ana                       Anaerobic gas production                       38.7   
aniB      Anaerobically   Induced by anaerobiosis; does not reduce       93.9   
          inducible       benzyl viologen                                       
aniC      Anaerobically   Induced by anaerobiosis; does not reduce       93.9   
          inducible       benzyl viologen                                       
aniD      Anaerobically   Induced by anaerobiosis; does not reduce       92.4   
          inducible       benzyl viologen                                       
aniF      Anaerobically   Induced by anaerobiosis; does not reduce       68.0   
          inducible       benzyl viologen                                       
aniG      Anaerobically   Induced by anaerobiosis; does not reduce       67.8   
          inducible       benzyl viologen                                       
aniH      Anaerobically   Induced by anaerobiosis; does not reduce       82.6   
          inducible       benzyl viologen                                       
aniI      Anaerobically   Induced by anaerobiosis; does not reduce       40.1   
          inducible       benzyl viologen                                       
ansB                      L-Asparaginase II; regulated by CRP and        67.1   
                          anaerobiosis                                          
apbA                      Alternative pyrimidine biosynthetic pathway;   10.0   
                          synthesis of thiamine in presence of                  
                          exogenous purines                                     
apeB      Acyl peptide    Acyl amino acid esterase; hydrolyzes           11.0   
          esterase        N-acetyl-L-phenylalanine-ß-naphthyl ester             
apeE      Acyl peptide    Membrane-bound acyl amino acid esterase;       13.5   
          esterase        hydrolyzes                                            
                          N-acetyl-L-phenylalanine-ß-naphthyl ester             
apeR      Acyl peptide    apeD; regulatory gene for apeE                 85.0   
          esterase                                                              
aphA                      Nonspecific acid phosphatase II                NM     
apt                       Adenine phosphoribosyltransferase              11.5   
araA      Arabinose       L-Arabinose isomerase  (EC 5.3.1.4)            2.4    
araB      Arabinose       Ribulokinase  (EC 2.7.1.16)                    2.5    
araC      Arabinose       Regulatory gene for arabinose catabolic        2.5    
                          enzymes                                               
araD      Arabinose       L-Ribulose-phosphate 4-epimerase  (EC          2.4    
                          5.1.3.4)                                              
arcA                      Cytoplasmic DNA-binding component system for   100.0  
                          repression of genes during anaerobiosis               
arcB                      Membrane-bound sensor of two component         72.4   
                          system for repression of genes during                 
                          anaerobiosis                                          
argA      Arginine        argB; amino acid acetyltransferase  (EC        65.1   
                          2.3.1.1)                                              
argB      Arginine        argC;  N-acetyl-[[gamma]]-glutamate kinase     89.6   
                          (EC 2.7.2.8)                                          
argC      Arginine        argH;  N-acetyl-[[gamma]]-glutamyl phosphate   89.6   
                          reductase  (EC 1.2.1.38)                              
argD      Arginine        argG; acetylornithine aminotransferase  (EC    75.1   
                          2.6.1.11)                                             
argE      Arginine        argA; acetylornithine deacetylase  (EC         89.6   
                          3.5.1.16)                                             
argG      Arginine        argE; argininosuccinate synthetase  (EC        72.0   
                          6.3.4.5)                                              
argH      Arginine        argF; argininosuccinate lyase  (EC 4.3.2.1)    89.6   
argI      Arginine        Ornithine carbamoyltransferase  (EC 2.1.3.3)   97.2   
argP      Arginine        Arginine transport                             NM     
argQ      Arginine        Arginine tRNA 2                                62.0   
argR      Arginine        L-Arginine regulation                          73.4   
argS      Arginine        Arginyl-tRNA synthetase  (EC 6.1.1.19)         41.6   
argT      Arginine        Lysine-arginine-ornithine-binding protein      51.3   
argU      Arginine        fimU; arginine tRNA 1 for rare codons (AGA     15.2   
                          and AGG); essential for fimbriae expression           
argV      Arginine        Arginine tRNA 2                                62.0   
argX      Arginine        argT,argU,use; arginine tRNA 1                 85.6   
argY      Arginine        Arginine tRNA 2                                62.0   
argZ      Arginine        Arginine tRNA 2                                62.0   
aroA      Aromatic        3-Enolpyruvylshikimate 5-phosphate             19.9   
                          synthetase                                            
aroB      Aromatic        5-Dehydroquinate synthetase                    75.7   
aroC      Aromatic        aroD; chorismate synthetase                    52.0   
aroD      Aromatic        aroE; 5'-dehydroquinate dehydratase  (EC       30.5   
                          4.2.1.10)                                             
aroE      Aromatic        aroC; 5-dehydroshikimate reductase             74.4   
aroF      Aromatic        Tyrosine-repressible DAHP synthetase           58.6   
aroG      Aromatic        Phenylalanine-repressible DAHP synthetase      17.3   
aroH      Aromatic        Tryptophan-repressible DAHP synthetase         30.4   
aroP      Aromatic        Aromatic amino acid transport                  3.6    
aroT      Aromatic        Transport of tryptophan, phenylalanine, and    39.3   
                          tyrosine                                              
asd                       Aspartic semialdehyde dehydrogenase  (EC       77.4   
                          1.2.1.11)                                             
asm                       Unable to assimilate low levels of ammonia;    70.5   
                          deficient in glutamate synthase and                   
                          glutamine synthase                                    
asn       Asparagine      Asparagine synthesis                           82.4   
asnU      Asparagine      Asparagine tRNA                                44.1   
aspA      Aspartate       L-Aspartate ammonia-lyase  (EC 4.3.1.1)        94.2   
aspC      Aspartate       Aspartate aminotransferase  (EC 2.6.1.1)       22.7   
asrA                      Anaerobic sulfite reductase                    57.1   
asrB                      Anaerobic sulfite reductase                    57.1   
asrC                      Anaerobic sulfite reductase                    57.1   
ataA      Attachment      attP22 I; attachment site for prophage P22     7.8    
atbA      Attachment      attP27 I; attachment site for prophage P27     12.7   
atbB      Attachment      attP27 II; second attachment site for          8.1    
                          prophage P27                                          
atcA      Attachment      attP221; attachment site for prophage P221     25.9   
atdA      Attachment      attP14; attachment site for prophage P14 in    61.1   
                          group C Salmonella spp.                               
atp                       unc, uncA; membrane-bound (Mg2+, Ca2+)         84.6   
                          ATPase                                                
atrB      Acid            defective in pre- but not post-acid            32.2   
          tolerance       shock-induced acid tolerance                          
          response                                                              
atrD      Acid            Defective in both pre- and post-acid           68.1   
          tolerance       shock-induced acid tolerance                          
          response                                                              
atrF      Acid            Defective in both pre- and post-acid           13.7   
          tolerance       shock-induced acid tolerance                          
          response                                                              
atrG      Acid            Defective in both pre- and post-acid           NM     
          tolerance       shock-induced acid tolerance                          
          response                                                              
atrR      Acid            atbR; constitutive acid tolerance;             89.5   
          tolerance       trans-acting regulator of atrB                        
          response                                                              
ats                       Arylsulfatase                                  NM     
att15     Attachment      Attachment site for phage e15 in group E       46.3   
                          Salmonella spp.                                       
att34     Attachment      Attachment site for phage e34 in group E       5.7    
                          Salmonella spp.                                       
attN      Attachment      Attachment site for prophage N in S.           52.0   
                          montevideo                                            
avtA                      Alanine-valine transaminase, transaminase C    80.2   
                          (EC 2.6.1.66)                                         
aziA      Azide           Resistant to 3 mM sodium azide on              3.4    
                          L-methionine                                          
bfp       Bundle-forming  Interbacterial linkage, adhesion to            NM     
          pili            epithelial cells                                      
bioA      Biotin          bio; 7,8-diaminopelargonic acid synthetase     18.1   
bioB      Biotin          Biotin synthetase                              18.1   
bioC      Biotin          Block prior to pimeloyl-CoA                    18.2   
bioD      Biotin          Dethiobiotin synthetase                        18.2   
bioF      Biotin          7-keto-8-aminopelargonic acid synthetase       18.1   
birA      biotin          biotin-[acetyl-CoA carboxylase] holoenzyme     90.0   
          repressor       synthetase                                            
brnQ                      ilvT; branched-chain amino acid transport      8.9    
btuB      B12             bfe; transport of cobalamins                   89.7   
          utilization                                                           
btuC      B12             Transport of cobalamins                        30.4   
          utilization                                                           
btuD      B12             Transport of cobalamins                        30.4   
          utilization                                                           
btuE      B12             Transport of cobalamins                        30.4   
          utilization                                                           
cadA      Cadaverine      Lysine decarboxylase  (EC 4.1.1.18)            56.2   
cadC      Cadaverine      Regulation of cadA                             56.2   
capS      Capsule         Capsular polysaccharide synthesis              31.1   
carA                      argD,ars,cap,pyrA; carbamyl phosphate          1.6    
                          synthase, glutamine (light) subunit  (EC              
                          2.7.2.9)                                              
carB                      pyrA; carbamyl phosphate synthase, ammonia     1.7    
                          (heavy) subunit  (EC 2.7.2.9)                         
cbiA                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiB                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiC                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiD                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiE                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiF                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cbiG                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiH                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiJ                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiK                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiL                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiM                      cobI; synthesis of vitamin B12 adenosyl        43.6   
                          cobinamide precursor                                  
cbiN                      cobI; synthesis of vitamin B12 adenosyl        43.5   
                          cobinamide precursor                                  
cbiO                      cobI; synthesis of vitamin B12 adenosyl        43.5   
                          cobinamide precursor                                  
cbiP                      cobI; synthesis of vitamin B12 adenosyl        43.5   
                          cobinamide precursor                                  
cbiQ                      cobI; synthesis of vitamin B12 adenosyl        43.5   
                          cobinamide precursor                                  
cbiT                      cobI; synthesis of vitamin B12 adenosyl        43.7   
                          cobinamide precursor                                  
cdd                       Cytidine deaminase  (EC 3.5.4.5)               47.5   
cheA      Chemotaxis      cheP; chemotaxis; ATP-dependent kinase;        42.0   
                          phosphorylates CheB and CheY                          
cheB      Chemotaxis      cheX; chemotaxis; bifunctional monomeric       41.9   
                          protein; C-terminal [[gamma]]-carboxyl                
                          methylesterase and N-terminal transferase             
cheR      Chemotaxis      Chemotaxis; S-adenosylmethionine-dependent     41.9   
                          methyltransferase                                     
cheS      Chemotaxis      Chemotaxis                                     NM     
cheW      Chemotaxis      Chemotaxis                                     42.0   
cheY      Chemotaxis      cheQ; chemotaxis; cytoplasmic protein;         41.8   
                          interacts at flagellar motor to reverse               
                          flagellar rotation                                    
cheZ      Chemotaxis      cheT; chemotaxis; stimulates phospho-CheY      41.8   
                          dephosphorylation                                     
chlF      Chlorate        Resistance; may be part of moe operon          19.1   
chlG      Chlorate        Resistance; affects nitrate reductase,         56.8   
                          tetrathionate reductase, chlorate reductase,          
                          and hydrogen lyase                                    
cil       Citrate lyase   Mutants unable to utilize citrate in           66.9   
                          anaerobic conditions without additional               
                          carbon sources                                        
citA      Citrate         Citrate carrier, different from TctI, TctII,   17.0   
                          TctIII transport systems                              
citB      Citrate         Citrate carrier, different from TctI, TctII,   17.0   
                          TctIII transport systems                              
cld       Chain length    rol; regulation of chain length in the         44.9   
          determinant     O-units of the LPS                                    
clmA      Conditional-le  Heat- or cold-sensitive mutation               86.4   
          thal mutation                                                         
clmB      Conditional-le  Heat- or cold-sensitive mutation               8.8    
          thal mutation                                                         
clmC      Conditional-le  Heat- or cold-sensitive mutation               72.1   
          thal mutation                                                         
clmD      Conditional-le  Heat- or cold-sensitive mutation               85.5   
          thal mutation                                                         
clmE      Conditional-le  Heat- or cold-sensitive mutation               74.5   
          thal mutation                                                         
clmG      Conditional-le  Heat- or cold-sensitive mutation               12.3   
          thal mutation                                                         
clmI      Conditional-le  Heat- or cold-sensitive mutation               6.5    
          thal mutation                                                         
clmJ      Conditional-le  Heat- or cold-sensitive mutation               32.4   
          thal mutation                                                         
clmK      Conditional-le  Heat- or cold-sensitive mutation               62.4   
          thal mutation                                                         
clmM      Conditional-le  Heat- or cold-sensitive mutation               99.1   
          thal mutation                                                         
clmN      Conditional-le  Heat- or cold-sensitive mutation               46.9   
          thal mutation                                                         
clmP      Conditional-le  Heat- or cold-sensitive mutation               81.1   
          thal mutation                                                         
clmQ      Conditional-le  Heat- or cold-sensitive mutation               58.1   
          thal mutation                                                         
clmR      Conditional-le  Heat- or cold-sensitive mutation               26.3   
          thal mutation                                                         
clmS      Conditional-le  Heat- or cold-sensitive mutation               95.8   
          thal mutation                                                         
clmT      Conditional-le  Heat- or cold-sensitive mutation               51.0   
          thal mutation                                                         
cmk                       Cytidylate kinase  (EC 2.7.4.14)               20.0   
coaA      Coenzyme A      CoA synthesis; pantothenate kinase             90.3   
cobA      Cobalamin       cobIV; ATP:Corrinoid adenosyltransferase       38.0   
cobB      Cobalamin       DMB ribose phosphate phosphatase               20.6   
cobC      Cobalamin       DMB ribose phosphate phosphatase               15.6   
cobD      Cobalamin       Synthesis of 1-amino-2-propanol moiety of      15.6   
                          vitamin B12                                           
cobF      Cobalamin       Recessive regulator of cbi operon              26.9   
cobI      Cobalamin       Operon encoding genes for synthesis of         43.6   
                          cobinamide intermediate of vitamin B12                
cobII     Cobalamin       Operon encoding genes for synthesis of DMB     43.3   
                          intermediate of vitamin B12                           
cobIII    Cobalamin       Operon encoding genes for joining cobinamide   43.4   
                          and DMB intermediates of vitamin B12                  
cobJ      Cobalamin       cobII; synthesis of 5,6-DMB                    43.3   
cobK      Cobalamin       cobII; synthesis of 5,6-DMB                    43.3   
cobL      Cobalamin       cobII; synthesis of 5,6-DMB                    43.3   
cobM      Cobalamin       cobII; synthesis of 5,6-DMB                    43.3   
cobR      Cobalamin       cis-acting, dominant regulator for the cbi     44.0   
                          operon                                                
cobS      Cobalamin       cobIII; synthesis of the nucleotide loop       43.5   
                          that joins DMB to the corrin ring                     
cobT      Cobalamin       cobIII; synthesis of DMB and transfer of       43.4   
                          ribose phosphate from NMN to DMB                      
cobU      Cobalamin       cobIII; synthesis of the nucleotide loop       43.5   
                          that joins DMB to the corrin ring                     
cod                       Cytosine deaminase  (EC 3.5.4.1)               72.8   
corA      Cobalt          Magnesium transport; cobalt resistance (high   85.8   
          resistance      level)                                                
corB      Cobalt          Magnesium transport; cobalt resistance (low    58.7   
          resistance      level)                                                
corC      Cobalt          Magnesium transport; cobalt resistance (low    16.1   
          resistance      level)                                                
corD      Cobalt          apaG; magnesium transport; cobalt resistance   2.1    
          resistance      (low level)                                           
cpdB                      cpd; 2', 3'-cyclic phosphodiesterase  (EC      69.5   
                          3.1.4.16)                                             
cpsB      Capsule         M antigen capsular polysaccharide synthesis;   45.5   
                          homologous to rfbM                                    
cpsG      Capsule         rfbL; M antigen capsular polysaccharide        45.4   
                          synthesis; homologous to rfbK                         
crp                       cAMP receptor protein                          75.0   
crr                       Factor III for sugar transport by              52.9   
                          phosphotransferase IIB' (ptsG) system                 
cspA      Cold shock      Transcriptional activation of cold shock       80.0   
          protein         promoters                                             
cspG      Cold shock      Transcriptional activation of cold shock       42.9   
          protein         promoters; putative                                   
cutE                      lnt; apolipoprotein N-acyltransferase          16.1   
cwd       Cell wall       Sensitive to bile salts; mucoid                38.5   
          defect                                                                
cyaA      cAMP            cya; adenylate cyclase  (EC 4.6.1.1)           85.7   
cysA      Cysteine        Sulfate-thiosulfate transport; chromate        53.0   
                          resistance                                            
cysB      Cysteine        Regulation of L-cysteine transport and         37.7   
                          biosynthesis                                          
cysC      Cysteine        Adenylylsulfate kinase  (EC 2.7.1.25)          64.3   
cysD      Cysteine        Sulfate adenylyltransferases  (EC 2.7.7.4)     64.3   
cysE      Cysteine        Serine acetyltransferase  (EC 2.3.1.30)        81.0   
cysG      Cysteine        Bifunctional protein: siroheme synthetase;     75.5   
                          uroporphyrinogen III methylase                        
cysH      Cysteine        Adenylylsulfate reductase  (EC 1.8.99.2)       64.2   
cysI      Cysteine        Heme protein component of sulfite reductase    64.2   
cysJ      Cysteine        Flavoprotein component of sulfite reductase    64.2   
cysK      Cysteine        trz; resistance to 1,2,4-triazole;             52.8   
                          O-acetylserine sulfhydrylase A  (EC 4.2.99.8)         
cysL      Cysteine        Resistance to selenate                         53.1   
cysM      Cysteine        O-Acetylserine sulfhydrylase B  (EC 4.2.99.8)  53.0   
cysP      Cysteine        Periplasmic thiosulfate binding protein        53.1   
cysQ      Cysteine        Regulation of 3'-phosphoadenoside              69.5   
                          5'-phosphosulfate pools; putative                     
cysU      Cysteine        cysAa, cysT; sulfate-thiosulfate transport     53.1   
cysW      Cysteine        cysAb; sulfate-thiosulfate transport           53.1   
cysZ      Cysteine        Sulfate transport; putative                    52.8   
cytR                      Regulatory gene for deo operon and udp and     88.6   
                          cdd genes                                             
dadA                      dad; D-histidine, D-methionine utilization;    41.1   
                          D-alanine dehydrogenase  (EC 1.4.99.1)                
dadB                      Catabolic alanine racemase  (EC 5.1.1.1)       41.1   
dadR                      Insensitivity of dadA to catabolite            41.1   
                          repression                                            
dam                       DNA adenine methylase                          75.6   
dapA      Diaminopimelat  Dihydropicolinate synthetase  (EC 4.2.1.52)    54.0   
          e                                                                     
dapB      Diaminopimelat  Dihydropicolinate reductase                    0.5    
          e                                                                     
dapC      Diaminopimelat  Tetrahydropicolinate succinylase               5.2    
          e                                                                     
dapD      Diaminopimelat  Succinyl-diaminopimelate aminotransferase      5.2    
          e                                                                     
dapF      Diaminopimelat  Diaminopimelate epimerase  (EC 5.1.1.7)        5.4    
          e                                                                     
dcd                       dCTP deaminase  (EC 3.5.4.13)                  45.9   
dcm                       DNA cytosine methylation                       43.1   
dcp                       Dipeptidyl carboxypeptidase                    32.5   
dctA                      Transport of dicarboxylic acids                79.9   
ddlA      D-alanine       D-Alanine:D-alanine ligase  (EC 3.6.2.4)       8.7    
deoA      Deoxyribose     tpp; thymidine phosphorylase  (EC 2.4.2.4)     99.0   
deoB      Deoxyribose     drm; phosphopentomutase  (EC 2.7.5.6)          99.0   
deoC      Deoxyribose     dra; phosphodeoxyriboaldolase  (EC 4.1.2.4)    99.0   
deoD      Deoxyribose     pnu,pup; purine nucleoside phosphorylase       99.0   
                          (EC 2.4.2.1)                                          
deoK      Deoxyribose     Deoxyribokinase                                20.2   
deoP      Deoxyribose     Deoxyribose transport                          20.3   
deoR      Deoxyribose     Constitutive for enzymes of deoA, deoB, deoC   19.4   
                          and deoD                                              
dgo                       D-galactonate utilization                      83.2   
dgt                       dGTP triphosphohydrolase  (EC 3.1.5.1)         5.1    
dhb                       2,3-Dihydroxybenzoic acid requirement          19.3   
dhuA      D-Histidine     Utilization; increased activity of             51.2   
                          histidine-binding protein J                           
divA      Division        wrkA; septum initiation defect                 88.4   
divC      Division        smoA; septum initiation defect                 3.1    
divD      Division        Round cell morphology                          55.6   
dml       D-Malate        Utilization                                    82.2   
dnaA      DNA             DNA initiation                                 83.6   
dnaB      DNA             DNA synthesis                                  92.1   
dnaC      DNA             DNA synthesis initiation and cell division     98.8   
                          uncoupling                                            
dnaE      DNA             DNA synthesis                                  5.9    
dnaG      DNA             DNA biosynthesis; DNA primase                  70.0   
dnaJ      DNA             DNA biosynthesis                               0.3    
dnaK      DNA             DNA biosynthesis                               0.3    
dnaL      DNA             DNA biosynthesis                               NM     
dnaN      DNA             DNA biosynthesis; DNA polymerase III,          83.6   
                          [[beta]]-subunit                                      
dnaQ      DNA             DNA biosynthesis                               6.9    
dnaX      DNA             DNA biosynthesis                               11.5   
dnaY      DNA             DNA biosynthesis                               NM     
dnaZ      DNA             DNA biosynthesis                               NM     
dor                       Deletion of r-determinants from plasmids       55.7   
dpp                       Dipeptide permease                             75.9   
dsd                       D-Serine sensitivity; D-serine dehydratase     52.7   
                          (EC 4.2.1.14)                                         
dum                       dUMP synthesis                                 NM     
earA                      Regulates expression of aniG                   88.2   
earC                      trans-acting regulatory protein for aciA       46.8   
eca                       Enterobacterial common-antigen synthesis       NM     
endA                      Endonuclease I                                 67.1   
eno       Enolase         Enolase  (EC 4.2.1.11)                         64.3   
ent       Enterochelin    asc,enb; enterochelin                          13.6   
                          (dihydroxybenzoylserine trimer)                       
envA      Envelope        Cell division defect, chain formation          3.2    
envD      Envelope        Autolysis; drug sensitivity; alterations in    17.1   
                          cell morphology                                       
envZ      Envelope        ompB,tppB,tppA; positive regulation of         76.0   
                          tripeptide permease and outer membrane                
                          protein                                               
eutA      Ethanolamine    Vitamin B12 adenosyl transferase; required     53.3   
          utilization     for use of ethanolamine as sole carbon or             
                          nitrogen source                                       
eutB      Ethanolamine    Ethanolamine ammonia lyase, subunit I          53.3   
          utilization                                                           
eutC      Ethanolamine    Ethanolamine ammonia lyase, subunit II         53.2   
          utilization                                                           
eutD      Ethanolamine    CoA-dependent acetaldehyde dehydrogenase       53.3   
          utilization                                                           
eutE      Ethanolamine    Acetaldehyde CoA reductase                     53.3   
          utilization                                                           
eutF      Ethanolamine    Ethanolamine permease or transcription         38.2   
          utilization     factor for expression of eut operon                   
eutG      Ethanolamine    Function unknown                               53.3   
          utilization                                                           
eutH      Ethanolamine    Function unknown                               53.2   
          utilization                                                           
eutR      Ethanolamine    Positive regulatory gene for eut operon        53.2   
          utilization                                                           
exbB                      Biopolymer uptake; outer membrane protein      69.1   
fabB      Fatty acid      ß-Ketoacyl acyl carrier protein synthetase I   51.9   
          biosynthesis    (EC 2.3.1.41)                                         
fabI      Fatty acid      envM; enoyl-(acyl-carrier-protein) reductase   37.6   
          biosynthesis    (EC 1.3.1.9)                                          
fabZ      Fatty acid      Fatty acid biosynthesis; putative              4.1    
          biosynthesis                                                          
fdhB      Formate         Required for formate dehydrogenase-H and -N    18.0   
          dehydrogenase-                                                        
          H                                                                     
fdhF      Formate         fhl; formate dehydrogenase-H                   92.8   
          dehydrogenase-                                                        
          H                                                                     
fdhR      Formate         Positive regulator of fdhF expression          75.0   
          dehydrogenase-                                                        
          H                                                                     
fdhS      Formate         Positive regulator of fdhF expression          75.0   
          dehydrogenase-                                                        
          H                                                                     
fdnA      Formate         Mutants lack formate dehydrogenase-N and       87.6   
          dehydrogenase-  nitrate reductase                                     
          N                                                                     
fdnB      Formate         Synthesis or activation of the cytochrome      87.7   
          dehydrogenase-  associated with formate dehydrogenase-N               
          N                                                                     
fdnC      Formate         Synthesis or activation of the cytochrome      87.7   
          dehydrogenase-  associated with formate dehydrogenase-N               
          N                                                                     
fdp                       Fructose-1,6-diphosphatase  (EC 3.1.3.11)      99.2   
fhlA      Formate         Formate hydrogenlyase; putative                62.8   
          hydrogenlyase                                                         
fhlD      Formate         Mutants lack formate dehydrogenase H           81.8   
          hydrogenlyase   activity                                              
fhuA      Ferric          Outer membrane receptor for ferrichrome        4.9    
          hydroxamate                                                           
          uptake                                                                
fhuB      Ferric          Hydroxamate-dependent iron uptake,             4.9    
          hydroxamate     cytoplasmic membrane component                        
          uptake                                                                
fhuC      Ferric          Hydroxamate-dependent iron uptake,             4.9    
          hydroxamate     cytoplasmic membrane component                        
          uptake                                                                
fhuD      Ferric          Hydroxamate-dependent iron uptake,             5.0    
          hydroxamate     cytoplasmic membrane component                        
          uptake                                                                
fic                       Filamentation in presence of cyclic AMP in     75.1   
                          mutant                                                
fimA      Fimbriae        pil, fim; major subunit protein of the         15.0   
                          fimbriae                                              
fimC      Fimbriae        Fimbriae                                       15.0   
fimD      Fimbriae        Fimbriae                                       15.1   
fimF      Fimbriae        Fimbriae                                       15.1   
fimH      Fimbriae        Adhesin component of the fimbriae              15.1   
fimI      Fimbriae        Fimbriae                                       15.0   
fimW      Fimbriae        Fimbriae                                       15.2   
fimY      Fimbriae        Fimbriae                                       15.2   
fimZ      Fimbriae        Fimbriae                                       15.1   
fis       Factor for      DNA-binding protein involved in                74.0   
          inversion       site-specific inversion and recombination,            
          stimulation     gene regulation, and DNA replication                  
flgA      Flagella        flaFI; Flagellar synthesis; P-ring formation   26.4   
                          of the flagellar basal body                           
flgB      Flagella        flaFII; flagellar synthesis; function          26.4   
                          unknown                                               
flgC      Flagella        flaFIII; flagellar synthesis; basal-body       26.4   
                          protein                                               
flgD      Flagella        flaFIV; flagellar synthesis; hook-capping      26.4   
                          protein to enable assembly of hook protein            
                          subunits                                              
flgE      Flagella        flaFV; flagellar synthesis; hook protein       26.4   
flgF      Flagella        flaFVI; flagellar synthesis; basal-body rod    26.5   
                          protein                                               
flgG      Flagella        flaFVII; flagellar synthesis; basal-body rod   26.5   
                          protein                                               
flgH      Flagella        flaFVIII; flagellar synthesis; basal-body      26.5   
                          L-ring protein                                        
flgI      Flagella        flaFIX; flagellar synthesis; basal-body        26.5   
                          P-ring protein                                        
flgJ      Flagella        flaFX; flagellar synthesis; function unknown   26.5   
flgK      Flagella        flaW; flagellar synthesis; hook-associated     26.6   
                          protein 1                                             
flgL      Flagella        flaU; flagellar synthesis; hook-associated     26.6   
                          protein 3                                             
flgM      Flagella        flgR, mviS, rflB; negative regulator of        26.4   
                          [[sigma]]F                                            
flgN      Flagella        Initiation of flagellar filament assembly      26.4   
flhA      Flagella        flaC; flagellar synthesis; function unknown    41.7   
flhB      Flagella        flaM; flagellar synthesis; assists fliK in     41.7   
                          hook length control                                   
flhC      Flagella        flaE; flagellar synthesis; regulation of       42.1   
                          gene expression                                       
flhD      Flagella        flaK; flagellar synthesis; regulation of       42.1   
                          gene expression; putative flagellum-specific          
                          [[sigma]] factor                                      
flhE      Flagella        Function unknown; not essential for            41.7   
                          flagellar synthesis or function                       
fliA      Flagella        flaL; flagellar synthesis; alternative         42.4   
                          [[sigma]] factor, [[sigma]]F, for flagellar           
                          expression                                            
fliB      Flagella        nml; flagellar synthesis; N-methylation of     42.5   
                          lysine residues in flagellin                          
fliC      Flagella        H1; flagellar synthesis; phase 1 flagellin     42.5   
                          (filament structural protein)                         
fliD      Flagella        flaV; Flagellar synthesis; hook-associated     42.5   
                          protein 2                                             
fliE      Flagella        flaAI; flagellar synthesis; function unknown   42.7   
fliF      Flagella        flaAII.I; flagellar synthesis; basal-body      42.7   
                          M-ring protein                                        
fliG      Flagella        flaAII.2, motC, cheV; flagellar synthesis;     42.7   
                          motor switching and energizing                        
fliH      Flagella        flaAII.3; flagellar synthesis; function        42.8   
                          unknown                                               
fliI      Flagella        flaAIII; flagellar assembly; may be ATPase     42.8   
                          in protein export pathway                             
fliJ      Flagella        flaS; flagellar synthesis; function unknown    42.8   
fliK      Flagella        flaR; flagellar synthesis; hook length         42.8   
                          control and replacement of flgD by flgK               
fliL      Flagella        flaQI; flagellar synthesis; function unknown   42.8   
fliM      Flagella        flaQII, cheC, cheU; flagellar synthesis;       42.8   
                          motor switching and energizing                        
fliN      Flagella        flaN; flagellar synthesis; motor switching     42.8   
                          and energizing                                        
fliO      Flagella        flaP; flagellar synthesis; function unknown    42.9   
fliP      Flagella        flaB; flagellar synthesis; function unknown    42.9   
fliQ      Flagella        flaD; flagellar synthesis; function unknown    42.9   
fliR      Flagella        flaX; flagellar synthesis; function unknown    42.9   
fliS      Flagella        Member of axial family of structural           42.6   
                          proteins                                              
fliT      Flagella        Member of the axial family of structural       42.6   
                          proteins                                              
fliU      Flagella        Flagellar function; part of basal body, or     42.5   
                          required for flagellin processing or export           
fliV      Flagella        Flagellar function; part of basal body, or     42.5   
                          required for flagellin processing or export           
fljA      Flagella        rhl; flagellar synthesis; repressor of fliC    60.0   
fljB      Flagella        H2; flagellar synthesis; phase 2 flagellin     60.1   
                          (filament structural protein)                         
flrB      Fluoroleucine   Leucine or isoleucine regulation or both       16.4   
          resistance                                                            
fnr                       oxrA; anaerobic induction of genes for         36.6   
                          anaerobic metabolism, such as pepT                    
fol       Folate          Trimethoprim resistance; tetrahydrofolate      1.9    
                          dehydrogenase                                         
fpk       Fructose        Fructose phosphate kinase                      48.3   
frd       Fumarate        Fumurate reductase  (EC 1.3.99.1)              NM     
          reductase                                                             
fruA      Fructose        Enzyme IIFru of the phosphotransferase         48.2   
                          system                                                
fruB      Fructose        fruF; enzyme IIIFru-modulator FPr tridomain    48.1   
                          fusion protein of the phosphotransferase              
                          system                                                
fruK      Fructose        Fructose-1-phosphate kinase                    48.1   
fruR      Fructose        Regulation of the fructose regulon;            3.0    
                          regulation of gluconeogenesis; may be the             
                          same as ppsB                                          
ftsZ                      sulB; essential for cell division              3.1    
fucA      Fucose          fuc; L-Fucose utilization                      65.1   
fucI      Fucose          L-Fucose utilization                           65.1   
fucK      Fucose          L-Fucose utilization                           65.1   
fucP      Fucose          L-Fucose utilization                           65.1   
fucR      Fucose          L-Fucose utilization                           65.1   
fumA      Fumarate        Regulatory gene; putative                      31.3   
furA      Ferrichrome     fur; Ferrichrome uptake, regulation of iron    16.9   
                          uptake; constitutive synthesis of                     
                          iron-enterochelin                                     
fusA      Fusidic acid    Protein chain elongation factor EF-G           74.7   
galE      Galactose       UDP glucose 4-epimerase  (EC 5.1.3.2)          17.8   
galF      Galactose       Modifier of UDP-glucose pyrophosphorylase      45.3   
galK      Galactose       Galactokinase  (EC 2.7.1.6)                    17.8   
galP      Galactose       Specific galactose permease                    67.0   
galR      Galactose       Regulation                                     65.3   
galS      Galactose       mglD; mgl repressor and galactose              48.0   
                          ultrainduction factor                                 
galT      Galactose       Galactose-1-phosphate uridylyltransferase      17.8   
                          (EC 2.7.7.10)                                         
galU      Galactose       Glucose-1-phosphate uridylyltransferase  (EC   38.4   
                          2.7.7.9)                                              
gapA                      Glyceraldehyde 3-phosphate dehydrogenase       41.1   
                          (EC 1.2.1.12)                                         
garA      Gamma           Resistant to [[gamma]] and UV radiation;       0.4    
          resistant       large cells; high RNA and protein content;            
                          may be equivalent to rodA                             
garB      Gamma           Resistant to [[gamma]] and UV radiation;       0.4    
          resistant       large cells; high RNA and protein content             
gcv       Glycine         invD; defective in the glycine cleavage        65.7   
          cleavage        enzyme system                                         
gdhA                      gdh; Glutamate dehydrogenase  (EC 1.4.1.4)     29.1   
gleR                      Glycyl-leucyl-resistant regulatory gene for    8.1    
                          transport of branched-chain amino acids               
glgA      Glycogen        Glycogen synthase  (EC 2.4.1.21)               77.2   
glgC      Glycogen        Glucose-1-phosphate adenylyltransferase  (EC   77.2   
                          2.7.7.27)                                             
glnA      Glutamine       Glutamine synthetase  (EC 6.3.1.2)             87.5   
glnD      Glutamine       PIIA uridyl transferase                        4.3    
glnE      Glutamine       Covalent modification of glutamine             69.5   
                          synthetase; glutamine synthetase adenylyl             
                          transferase  (EC 2.7.2.42)                            
glnH      Glutamine       Periplasmic glutamine-binding protein          19.1   
glnP      Glutamine       High-affinity glutamine transport              19.1   
glpA      Glycerol        sn-Glycerol-3-phosphate dehydrogenase          49.6   
          phosphate       (anaerobic)  (EC 1.1.99.5)                            
glpD      Glycerol        sn-Glycerol-3-phosphate dehydrogenase          77.1   
          phosphate       (aerobic)  (EC 1.1.1.8)                               
glpK      Glycerol        Glycerol kinase  (EC 2.7.1.30)                 88.5   
          phosphate                                                             
glpQ      Glycerol        Glycerol-3-phosphate diesterase                49.4   
          phosphate                                                             
glpR      Glycerol        Regulatory gene for glpD, glpK and glpT        77.1   
          phosphate                                                             
glpT      Glycerol        sn-Glycerol-3-phosphate transport              49.5   
          phosphate                                                             
gltA      Glutamate       Requirement                                    17.1   
gltB      Glutamate       Glutamate synthetase  (EC 2.6.1.53)            72.5   
gltC      Glutamate       Growth on glutamate as sole source of carbon   81.7   
gltD      Glutamate       Glutamate synthase, small subunit              72.7   
gltF      Glutamate       Glutamate-specific transport system            0.1    
gltH      Glutamate       Requirement                                    28.0   
gltS      Glutamate       Glutamate permease                             81.7   
glyA      Glycine         Serine hydroxymethyltransferase  (EC 2.1.2.1)  56.0   
glyS      Glycine         Glycyl-tRNA synthetase  (EC 6.1.1.14)          80.1   
glyT      Glycine         sufS; glycine tRNA 2                           90.0   
gnd                       Phosphogluconate dehydrogenase  (EC 1.1.1.43)  44.9   
gpd                       Glucosamine-6-phosphate deaminase              NM     
gpsA                      sn-Glycerol-3-phosphate dehydrogenase          81.0   
                          [NAD(P)+]  (EC 1.1.1.94)                              
gpt                       gxu; guanine-hypoxanthine                      7.4    
                          phosphoribosyltransferase  (EC 2.4.2.8)               
gsk                       Guanosine kinase                               11.9   
guaA      Guanine         GMP synthetase  (EC 6.3.4.1)                   54.4   
guaB      Guanine         IMP dehydrogenase  (EC 1.1.1.205)              54.4   
guaC      Guanine         GMP reductase  (EC 1.6.6.8)                    3.5    
guaP      Guanine         Guanine uptake                                 3.5    
gyrA      Gyrase          hisW, nalA; resistance or sensitivity to       49.3   
                          nalidixic acid; DNA gyrase                            
gyrB      Gyrase          hisU, parA; DNA gyrase                         83.3   
hemA      Heme            Glutamyl t-RNA dehydrogenase                   38.8   
hemB      Heme            Heme deficient                                 8.7    
hemC      Heme            Heme deficient; urogen I synthase              85.7   
hemD      Heme            Heme deficient; uroporphyrinogen III           85.7   
                          cosynthase                                            
hemE      Heme            Accumulation of uroporphyrin III               90.6   
hemF      Heme            Coproporphyrinogen III oxidase                 53.2   
hemG      Heme            Defective in heme synthesis                    86.5   
hemH      Heme            visA; defective in heme synthesis              11.6   
hemK      Heme            Protoporphyrinogen oxidase; putative  (EC      38.8   
                          1.3.3.-)                                              
hemL      Heme            Glutamate-1-semialdehyde aminotransferase      5.0    
hemM      Heme            Glutamyl tRNA dehydrogenase or subunit;        38.8   
                          putative                                              
hemN      Heme            Oxygen-independent coproporphyrinogen III      86.7   
                          oxidase                                               
hil       Hyperinvasion   Hyperinvasion; essential for bacterial entry   62.8   
          locus           into epithelial cells                                 
himA                      Integration host factor (IHF),                 30.3   
                          [[alpha]]-subunit; site-specific                      
                          recombination                                         
himD                      Integration host factor (IHF),                 20.1   
                          [[beta]]-subunit; site-specific                       
                          recombination                                         
hin       H inversion     vh2; flagellar synthesis; regulation of        60.1   
                          flagellin gene expression by site-specific            
                          inversion of DNA                                      
hisA      Histidine       N-(5'-phospho-L-ribosylformimino)-5-amino-1-(  44.8   
                          5'-phosphoribosyl)-4-imidazolecarboxamide             
                          isomerase  (EC 5.3.1.16)                              
hisB      Histidine       Imidazolegylcerol-phosphate dehydratase  and   44.8   
                          histidinol phosphatase  (EC 4.2.1.19), (EC            
                          3.1.3.15)                                             
hisC      Histidine       Histidinol-phosphate aminotransferase  (EC     44.8   
                          2.6.1.9)                                              
hisD      Histidine       Histidinol dehydrogenase  (EC 1.1.1.23)        44.7   
hisF      Histidine       Cyclase                                        44.8   
hisG      Histidine       ATP phosphoribosyltransferase  (EC 2.4.2.17)   44.7   
hisH      Histidine       Amidotransferase  (EC 2.4.2.-)                 44.8   
hisI      Histidine       hisE,hisIE; phosphoribosyl-AMP                 44.8   
                          cyclohydrolase, phosphoribosyl-ATP                    
                          pyrophosphatase  (EC 3.5.4.19), (EC 3.6.1.31)         
hisJ      Histidine       Periplasmic histidine-binding protein J for    51.2   
                          high-affinity histidine transport system              
hisM      Histidine       Histidine transport; inner membrane protein    51.2   
hisP      Histidine       High-affinity histidine transport; inner       51.2   
                          membrane protein                                      
hisQ      Histidine       Histidine transport; membrane protein          51.2   
hisR      Histidine       tRNA structural gene                           85.6   
hisS      Histidine       Histidyl-tRNA synthetase  (EC 6.1.1.21)        55.4   
hisT      Histidine       Pseudouridine modification of tRNA             51.8   
hmpA      Haemoprotein    Dihydropteridine reductase activity  (EC       56.0   
                          1.6.99.7)                                             
hns                       osmZ, bglY, pilG; histone-like protein;        38.4   
                          DNA-binding nucleoid-associated protein               
hpt                       Hypoxanthine phosphoribosyltransferase (not    3.8    
                          EC 2.4.2.8)(see gpt)                                  
hsdL      Host            hspLT; restriction modification system         8.4    
          specificity                                                           
hsdM      Host            hsdSB; restriction modification system;        98.5   
          specificity     modification component                                
hsdS      Host            hsdSB; restriction modification system;        98.4   
          specificity     specificity component                                 
hsdSA     Host            Restriction modification system  (operon)      97.6   
          specificity                                                           
htrA      High            degP; heat shock (stress) regulated            5.1    
          temperature     periplasmic protease; essential for survival          
          requirement     in macrophages                                        
hupA                      Histonelike protein HU-2                       90.7   
hupB                      Histonelike protein HU-1                       11.4   
hutC      Histidine       Repressor                                      17.9   
          utilization                                                           
hutG      Histidine       Formiminoglutamase  (EC 3.5.3.8)               17.9   
          utilization                                                           
hutH      Histidine       Histidine ammonia-lyase  (EC 4.3.1.3)          17.9   
          utilization                                                           
hutI      Histidine       Imidazolonepropionase  (EC 3.5.2.7)            17.9   
          utilization                                                           
hutM      Histidine       Promoter for hutIGC                            17.9   
          utilization                                                           
hutP      Histidine       Promoter for hutUH                             17.9   
          utilization                                                           
hutQ      Histidine       Promoter for hutUH                             17.9   
          utilization                                                           
hutR      Histidine       Catabolite insensitivity of hutUH              17.9   
          utilization                                                           
hutU      Histidine       Urocanate hydratase  (EC 4.2.1.49)             17.9   
          utilization                                                           
hydA      Hydrogenase     aniA, fhlB, hyd; hydrogenase                   62.5   
hydG      Hydrogenase     Hydrogenase regulation                         90.8   
hydH      Hydrogenase     Hydrogenase regulation                         90.7   
hyp       Hydrophobic     Hydrophobic polypeptide requirement            52.0   
          peptide                                                               
          auxotrophy                                                            
icd                       Isocitrate dehydrogenase                       27.6   
iclR                      Constitutive expression of aceBA operon        91.2   
ilvA      Isoleucine-val  ile; threonine deaminase  (EC 4.2.1.16)        85.3   
          ine                                                                   
ilvB      Isoleucine-val  Acetohydroxy acid synthase I, valine           82.3   
          ine             sensitive, large subunit  (EC 4.1.3.18)               
ilvC      Isoleucine-val  ilvA; ketol-acid reductoisomerase  (EC         85.3   
          ine             1.1.1.86)                                             
ilvD      Isoleucine-val  ilvB; dihydroxyacid dehydratase  (EC           85.3   
          ine             4.2.1.19)                                             
ilvE      Isoleucine-val  ilvC; branched-chain amino acid                85.2   
          ine             aminotransferase  (EC 2.6.1.42)                       
ilvG      Isoleucine-val  Acetohydroxy acid synthase II, valine          85.2   
          ine             insensitive, large subunit  (EC 4.1.3.18)             
ilvH      Isoleucine-val  Acetohydroxy acid synthase III, valine         3.0    
          ine             sensitive, small subunit  (EC 4.1.3.18)               
ilvI      Isoleucine-val  Acetohydroxy acid synthase III, valine         3.0    
          ine             sensitive, large subunit  (EC 4.1.3.18)               
ilvL      Isoleucine-val  ilvGMEDA operon leader peptide                 85.2   
          ine                                                                   
ilvM      Isoleucine-val  Acetohydroxy acid synthase II, valine          85.2   
          ine             insensitive, small subunit  (EC 4.1.3.18)             
ilvN      Isoleucine-val  Acetohydroxy acid synthase II, valine          82.3   
          ine             sensitive, small subunit  (EC 4.1.3.18)               
ilvS      Isoleucine-val  Isoleucyl-tRNA synthetase  (EC 6.1.1.5)        1.0    
          ine                                                                   
ilvY      Isoleucine      Regulation of ilvC                             85.3   
incR      Incompatibilit  Required in trans with parS                    pSLT   
          y                                                                     
infC                      Protein chain initation factor 3 (IF3)         30.2   
inlA      Inositol        Fermentation                                   92.7   
inlB      Inositol        Fermentation                                   56.5   
inm                       Sensitivity to mutagenesis by                  80.6   
                          nitrosoguanidine                                      
invA      Invasion        Affects invasion but not attachment to         63.1   
                          cultured epithelial cells; sequence                   
                          similarity to proteins for protein                    
                          translocation                                         
invD      Invasion        Invasion-related function                      NM     
invE      Invasion        Triggering of the endocytic uptake of          63.1   
                          Salmonella  by epithelial cells; homolgous            
                          to Mxic of Shigella.                                  
invF      Invasion        Defective in invasion but not in attachment    63.2   
                          to epithelial cells; similar to araC                  
invG      Invasion        Defective in invasion of epithelial cells;     63.2   
                          member of PulA family of proteins for export          
                          of proteins lacking typical signal sequences          
invH      Invasion        Defective in invasion of and attachment to     63.4   
                          epithelial cells                                      
iroA      Iron            Induced by alkaline pH; undefined role in      60.6   
          regulated       iron transport                                        
          locus                                                                 
IS200I                    Insertion sequence                             65.8   
IS200II                   Insertion sequence                             75.6   
IS200III                  Insertion sequence                             94.2   
IS200IV                   Insertion sequence                             42.4   
IS200V                    Insertion sequence                             53.6   
IS200VI                   Insertion sequence                             22.3   
katG      Catalase        cls; hydroperoxidase I (HPI)  (EC 1.11.1.6)    89.4   
kbl                       2-amino-3-ketobutyrate CoA ligase (glycine     81.2   
                          acetyltransferase)  (EC 2.3.1.29)                     
kdsA                      Ketodeoxyoctonate synthesis                    38.7   
kdsB                      CMP ketodeoxyoctonate synthetase               20.2   
lamB      Lambda          Encodes a protein resembling the [[lambda]]    91.7   
                          receptor                                              
lepA                      GTP-binding protein                            57.6   
lepB                      lep; signal peptidase I                        57.6   
leuA      Leucine         [[alpha]]-Isopropylmalate synthase  (EC        2.9    
                          4.1.3.12)                                             
leuB      Leucine         ß-Isopropylmalate dehydrogenase                2.9    
leuC      Leucine         [[alpha]]-Isopropylmalate isomerase subunit    2.9    
leuD      Leucine         [[alpha]]-Isopropylmalate isomerase subunit    2.9    
leuS      Leucine         Leucyl-tRNA synthetase  (EC 6.1.1.4)           15.8   
leuT      Leucine         Leucine transport                              39.4   
leuU      Leucine         leuT; leucine tRNA                             85.6   
lev       Levomycetin     Levomycetin resistance                         NM     
lexA                      Regulatory gene for SOS functions              91.9   
lgt                       umpA; prolipoprotein diacylglyceryl            64.9   
                          transferase                                           
lig       Ligase          DNA ligase                                     52.7   
lip       Lipoic acid     Requirement                                    15.3   
livF      Leucine,        livG; high-affinity branched-chain amino       77.5   
          isoleucine,     acid transport; membrane component                    
          valine                                                                
livG      Leucine,        livF; high-affinity branched-chain amino       77.5   
          isoleucine,     acid transport                                        
          valine                                                                
livH      Leucine,        livA; high-affinity branched-chain amino       77.5   
          isoleucine,     acid transport; membrane component                    
          valine                                                                
livJ      Leucine,        livB; high-affinity branched-chain amino       77.6   
          isoleucine,     acid transport; membrane component                    
          valine                                                                
livK      Leucine,        livC; high-affinity branched-chain amino       77.5   
          isoleucine,     acid transport; membrane component                    
          valine                                                                
livM      Leucine,        livEF; high-affinity branched-chain amino      77.5   
          isoleucine,     acid transport; membrane component                    
          valine                                                                
livS      Leucine,        liv; Regulatory gene; high-affinity            19.2   
          isoleucine,     branched-chain amino acid transport                   
          valine                                                                
lkyA      Leaky           Leakage of periplasmic proteins                59.8   
lkyB      Leaky           Leakage of periplasmic proteins                59.8   
lkyC      Leaky           Leakage of periplasmic proteins                22.9   
lkyD      Leaky           Leakage of periplasmic proteins; morphology    22.9   
                          defect                                                
lon       Long form       capR; ATP-dependent protease                   11.1   
lpd                       Dihydrolipoamide dehydrogenase  (EC 1.8.1.4)   3.8    
lpp       Lipoprotein     Murein lipoprotein structural gene             30.6   
lpxA                      UDP-N-acetylglucosamine acyltransferase        4.2    
lpxD                      ssc, omsA, firA;                               4.0    
                          UDP-3-O-(R-3-hydroxymyristoyl)-glucosamine            
                          N-acyltransferase; antibiotic                         
                          supersensitivity  (EC 2.3.1.-)                        
lrp                       Leucine-responsive regulatory protein          19.1   
lysA      Lysine          lys; Requirement                               65.4   
lysS      Lysine          Lysyl-tRNA synthetase  (EC 6.1.1.6)            66.2   
malE      Maltose         malB; maltose uptake; periplasmic              91.7   
                          maltose-binding protein                               
malF      Maltose         Maltose uptake; inner membrane protein         91.6   
malG      Maltose         Maltose uptake; inner membrane protein         91.6   
malK      Maltose         Maltose uptake; inner membrane protein         91.7   
malM      Maltose         Possible periplasmic protein; function         91.7   
                          unknown                                               
malQ      Maltose         Amylomaltase  (EC 1.2.1.25)                    77.0   
malT      Maltose         Regulation of maltose genes                    76.8   
manA      Mannose         pmi; mannose-6-phosphate isomerase  (EC        31.3   
                          5.3.1.8)                                              
mdh                       Malate dehydrogenase  (EC 1.1.1.37)            73.4   
melA      Melibiose       [[alpha]]-Galactosidase  (EC 3.2.1.22)         93.8   
melB      Melibiose       Melibiose carrier protein                      93.8   
mem       Membrane        Sugar transport and membrane protein           80.8   
                          defective                                             
menA      Menaquinone     Menaquinone deficient; defective in            88.5   
                          trimethylamine oxide reduction; grows on              
                          vitamin K1                                            
menB      Menaquinone     Biosynthesis; grows on vitamins K1 and K5      50.1   
menC      Menaquinone     Biosynthesis                                   50.1   
menD      Menaquinone     Biosynthesis                                   50.1   
menE      Menaquinone     O-succinyl benzoic acid-CoA synthase           50.1   
metA      Methionine      metI; homoserine transsuccinylase  (EC         91.1   
                          2.3.1.46)                                             
metB      Methionine      Cystathionine [[gamma]]-synthase  (EC          89.3   
                          4.2.99.9)                                             
metC      Methionine      Cystathionine [[gamma]]-lyase  (EC 4.4.1.1)    69.1   
metD      Methionine      metP; high-affinity methionine transport       5.5    
metE      Methionine      Tetrahydropteroyltriglutamate                  86.1   
                          methyltransferase  (EC 2.1.1.14)                      
metF      Methionine      5,10-Methylenetetrahydrofolate reductase       89.4   
                          (EC 1.1.99.15)                                        
metG      Methionine      Methionyl-tRNA synthetase                      47.1   
metH      Methionine      Vitamin B12-dependent                          91.3   
                          homocysteine-N5-methylenetetrahydrofolate             
                          transmethylase                                        
metJ      Methionine      Methionine analog resistant; transcriptional   89.3   
                          repressor of metE and metR                            
metK      Methionine      Methionine analog resistant;                   67.0   
                          S-adenosylmethionine synthetase                       
metL      Methionine      Aspartokinase II-homoserine dehydrogenase II   89.4   
metR      Methionine      Transcriptional activator of metE and metH     86.1   
mglA      Methyl          Membrane-bound protein for methygalactoside    48.0   
          galactoside     transport                                             
mglB      Methyl          Galactose-binding protein                      48.0   
          galactoside                                                           
mglC      Methyl          Membrane-bound transport protein               48.0   
          galactoside                                                           
mglE      Methyl          Transport                                      NM     
          galactoside                                                           
mgtA      Magnesium       Magnesium transport                            96.7   
          transport                                                             
mgtB      Magnesium       Magnesium transport                            82.1   
          transport                                                             
mgtC      Magnesium       Magnesium transport                            82.1   
          transport                                                             
miaA                      Deficient in the nucleotide ms2io6AA, a        95.0   
                          modified base present in some tRNAs                   
miaE                      Lack of tRNA (ms2io6A37)  hydroxylase          97.2   
min       Minicells       Cell division                                  NM     
moaA      Molybdenum      chlA; molybdenum-containing factor;            19.0   
                          biosynthesis of molybdopterin                         
mob       Molybdenum      chlB; molybdenum-containing factor;            86.4   
                          biosynthesis of molybdopterin guanine                 
                          dinucleotide                                          
modC      Molybdenum      chlD; molybdenum uptake                        18.3   
moeA      Molybdenum      chlE; molybdenum-containing factor;            19.1   
                          biosynthesis of molybdopterin                         
motA      Motility        Nonmotile but flagellate                       42.1   
motB      Motility        Nonmotile but flagellate                       42.0   
mre       Mecillinam      bac, envB; round cell morphology; mecillinam   73.6   
          resistance      resistance                                            
mscL      Mechanosensiti  Large-conductance mechanosensitive channel     74.5   
          ve channel                                                            
mta       meso-Tartaric   Utilization of and resistance to               NM     
          acid            meso-tartaric acid                                    
mtlA      Mannitol        D-Mannitol phosphotransferase enzyme IIA       80.4   
mtlD      Mannitol        Mannitol-1-phosphate dehydrogenase  (EC        80.4   
                          1.1.1.17)                                             
murB                      UDP-N-acetylenolpyruvoylglucosamine            90.0   
                          reductase                                             
murI                      Glutamate synthase                             89.7   
mutG      Mutator         Increased frequency of mutation in host        NM     
                          chromosome, not in P22                                
mutH      Mutator         Mutations inactivate methyl-directed           65.5   
                          mismatch repair                                       
mutL      Mutator         Mutations inactivate methyl-directed           95.0   
                          mismatch repair                                       
mutS      Mutator         Mutations inactivate methyl-directed           63.9   
                          mismatch repair                                       
mutU      Mutator         Increased frequency of mutation                NM     
mutY      Mutator         mutB; increased frequency of mutation with     67.2   
                          alkylating agents                                     
mviA      Mouse           Mutants have increased virulence in Itys,      38.9   
          virulence       not in Ityr mice                                      
mviM      Mouse           mviB; affects the virulence of cells in mice   26.3   
          virulence                                                             
mviN      Mouse           Affects the virulence of cells in mice         26.3   
          virulence                                                             
mviS      Mouse           Affects the virulence of cells in mice         26.3   
          virulence                                                             
nadA      Nicotinamide    nicA; requirement; quinolinic acid             17.2   
                          synthetase                                            
nadB      Nicotinamide    nic; L-aspartate oxidase                       57.8   
nadC      Nicotinamide    Quinolinic acid PRPP phosphoribosyl            3.6    
                          transferase                                           
nadD      Nicotinamide    NAMN:ATP-ADP transferase                       15.5   
nadE      Nicotinamide    Essential biosynthetic gene,                   29.5   
                          unsupplementable; NAD synthetase                      
nadF      Nicotinamide    NAD kinase I                                   14.7   
nadG      Nicotinamide    NAD kinase II; quinolinate sensitive           74.9   
nadR      Nicotinamide    nadI, pnuA; NMN transport and repression of    99.9   
                          transcription of nadA, nadB; bifunctional             
                          enzyme                                                
nagA      N-Acetyl-gluco  nag; nonutilization                            16.5   
          samine                                                                
nalB      Nalidixic acid  Resistance or sensitivity                      61.6   
nanH      Neurarminidase  Sialidase  (EC 3.2.2.18)                       23.7   
nap       Nonspecific     Deficiency for nonspecific acid phosphatase    NM     
          acid            I                                                     
          phosphatase                                                           
nar       Nitrate         chlC; nitrate reductase (operon)  (EC.         38.6   
          reductase       1.7.99.4)                                             
narK      Nitrate         Regulatory gene for nar operon                 38.6   
          reductase                                                             
ndk                       Nucleosidediphosphate kinase  (EC 2.7.4.6)     55.5   
neaA      Neamine         Neamine resistance                             74.1   
newD                      Substitute gene for leuD                       8.0    
nfnB                      nfsI; sensitivity to nitrofurantoin            13.6   
nhoA                      N-Hydroxyarylamine O-acetyltransferase  (EC    104.0  
                          2.3.1.118)                                            
nirB      Nitrite         NADH-nitrite oxidoreductase apoprotein,        75.2   
          reductase       subunit I  (EC 1.6.6.4)                               
nirC      Nitrite         Nitrite transport; putative  (EC1.6.6.4)       75.5   
          reductase                                                             
nirD      Nitrite         NADH-nitrite oxidoreductase apoprotein,        75.5   
          reductase       subunit II                                            
nirP      Nitrite         Nitrite permease                               7.5    
          reductase                                                             
nit       Nitrogen        Nitrogen metabolism                            30.1   
nlpD                      Lipoprotein precursor                          63.7   
nmpC      New membrane    Outer membrane porin protein                   38.7   
          protein                                                               
nol       Norleucine      Norleucine resistance; possible defect in      64.5   
                          valine uptake or regulation                           
nrdA                      Ribonucleoside diphosphate reductase,          49.3   
                          [[alpha]]-subunit (R1)  (EC 1.17.4.1)                 
nrdB                      Ribonucleoside diphosphate reductase,          49.4   
                          [[beta]]-subunit (R2)  (EC 1.17.4.1)                  
nrdE                      Ribonucleoside-diphosphate reductase subunit   61.3   
                          (EC 1.17.4.1)                                         
nrdF                      Ribonucleoside-diphosphate reductase subunit   61.4   
                          (EC 1.17.4.1)                                         
nsiA      Nicotinamide    NAD metabolism regulation                      77.8   
          starvation                                                            
          inducible                                                             
ntrB      Nitrogen        glnR; regulation of glnA expression and        87.3   
          regulation      other nitrogen-controlled genes                       
ntrC      Nitrogen        glnR; Regulation of glnA expression and        87.2   
          regulation      other nitrogen-controlled genes                       
nuoD                      NADH ubiquinone oxidoreductase                 51.0   
nuoE                      NADH ubiquinone oxidoreductase                 51.0   
nuoF                      NADH ubiquinone oxidoreductase                 51.0   
nuoG                      NADH ubiquinone oxidoreductase                 51.0   
nusA      N-utilization   Transcription termination; does not support    72.0   
                          transcription antitermination of N protein            
                          of [[lambda]]                                         
nuvA                      Uridine thiolation factor A activity           9.5    
oadA                      Oxalacetate decarboxylase, [[alpha]]-subunit   NM     
                          (EC 4.1.1.3)                                          
oadB                      Oxalacetate decarboxylase, [[beta]]-subunit    NM     
                          (EC 4.1.1.3)                                          
oadG                      Oxalacetate decarboxylase, [[gamma]]-subunit   NM     
                          (EC 4.1.1.3)                                          
oafA      O-antigen       O-5, ofi; LPS O-factor 5, acetyl group         50.7   
          factor                                                                
oafC      O-antigen       Determines factor 1 in LPS of group E          15.2   
          factor          Salmonella  spp.                                      
oafR      O-antigen       Synthesis of LPS O antigen 122                 12.7   
          factor                                                                
ogt                       O-6-alkylguanine-DNA-alkyltransferase          36.6   
ompA      Outer           Outer membrane protein 33K                     24.3   
          membrane                                                              
          protein                                                               
ompC      Outer           Outer membrane protein 36K                     49.1   
          membrane                                                              
          protein                                                               
ompD      Outer           Outer membrane protein 34K                     33.7   
          membrane                                                              
          protein                                                               
ompF      Outer           Outer membrane protein 35K                     22.8   
          membrane                                                              
          protein                                                               
ompH      Outer           Outer membrane protein 16K, cationic           4.0    
          membrane                                                              
          protein                                                               
ompR      Outer           ompB, tppA; positive regulation of             76.0   
          membrane        tripeptide permease and of outer membrane             
          protein         protein                                               
opdA      Oligopeptidase  optA; endoprotease which hydrolyzes            79.7   
                          N-acetyl-L-Ala4; required for normal phage            
                          P22 growth                                            
oppA      Oligopeptide    Oligopeptide-binding protein                   38.4   
          permease                                                              
oppB      Oligopeptide    Oligopeptide transport system                  38.3   
          permease                                                              
oppC      Oligopeptide    Oligopeptide transport system                  38.3   
          permease                                                              
oppD      Oligopeptide    Oligopeptide transport system                  38.3   
          permease                                                              
oppF      Oligopeptide    Oligopeptide transport system                  38.3   
          permease                                                              
orf11                     Putative role in fimbriae production           pSLT   
orf7                      Putative role in fimbriae production           pSLT   
orf9                      Putative role in fimbriae production           pSLT   
orfE                      Function unknown; locates downstream of spv    pSLT   
                          operon of pSLT                                        
orgA      Oxygen-regulat  Non-invasive mutant in low oxygen              62.9   
          ed gene                                                               
oriC      Origin          poh; origin of replication of chromosome       84.9   
osmB                      Osmotically inducible lipoprotein;             37.6   
                          resistance to osmotic stress                          
oxdA      Oxygen          Gene activity controlled by fnr                67.8   
          dependent                                                             
oxdB      Oxygen          Gene activity controlled by fnr                93.2   
          dependent                                                             
oxiA      Oxygen          Induced by anaerobiosis                        9.2    
          inducible                                                             
oxiB      Oxygen          Induced by anaerobiosis                        25.8   
          inducible                                                             
oxiC      Oxygen          Induced by anaerobiosis                        35.3   
          inducible                                                             
oxiE      Oxygen          Induced by anaerobiosis                        89.4   
          inducible                                                             
oxrF      Oxygen          Regulates expression of aniH                   NM     
          regulation                                                            
oxrG      Oxygen          Regulates expression of aniC, aniI             89.4   
          regulation                                                            
oxyR      Oxidative       Transcriptional activator of oxidative         89.6   
          stress          stress response genes                                 
          resistant                                                             
pabA      p-aminobenzoat  Requirement; p-aminobenzoate synthase          75.1   
          e                                                                     
pabB      p-aminobenzoat  p-Aminobenzoate synthetase, component I  (EC   41.6   
          e               4.1.3.-)                                              
pagC      phoP-activated  ail, lom; phoP-activated gene for virulence    NM     
          gene                                                                  
panB      Pantothenic     Ketopantohydroxymethyl transferase  (EC        4.6    
          acid            4.1.2.12)                                             
panC      Pantothenic     Pantothenate synthetase  (EC 6.3.2.1)          4.5    
          acid                                                                  
panD      Pantothenic     Ketopantoic acid reductase                     4.6    
          acid                                                                  
panE      Pantothenic     Ketopantoic acid reductase                     NM     
          acid                                                                  
panR      Pantothenic     Pantothenate excretion; suppression of the     4.6    
          acid            thiamine requirement of the purF mutation             
panT      Pantothenic     Pantothenate transport                         NM     
          acid                                                                  
parA      Partition       Partitioning; homologous to parA of phage P1   pSLT   
parB      Partition       Partitioning; homologous to parB in phage P1   pSLT   
parC      Partition       clmF; defect in nucleoid segregation;          69.3   
                          topoisomerase IV subunit; similar to gyrA             
parE      Partition       clmF; defect in nucleoid segregation;          69.4   
                          topoisomerase IV subunit; similar to gyrB             
parF      Partition       clmF; Partitioning of nucleoid;                69.3   
                          topoisomerase                                         
parS      Partition       incL; partitioning of pSLT                     pSLT   
pasA                      6-Aminonicotinic acid sensitive                92.9   
pasB                      6-Aminonicotinic acid sensitive                70.1   
pasC                      6-Aminonicotinic acid sensitive                23.4   
pasD                      6-Aminonicotinic acid sensitive                17.9   
pasE                      6-Aminonicotinic acid sensitive                56.8   
pbpA      Penicillin-bin  Round cell morphology; mecillinam              15.4   
          ding protein    resistance; penicillin binding protein 2              
pckA                      Phosphoenolpyruvate carboxykinase (ATP)        76.0   
                          activity  (EC 4.1.1.49)                               
pckB                      pck; phosphoenolpyruvate carboxykinase (ATP)   14.5   
                          activity  (EC 4.1.1.49)                               
pclA      Permissive      Permissive for lytic growth of P22 cly         NM     
          for cly                                                               
pclB      Permissive      Permissive for lytic growth of P22 cly         NM     
          for cly                                                               
pclC      Permissive      Permissive for lytic growth of P22 cly         NM     
          for cly                                                               
pde       Phospho-dieste  2',3'-Cyclic nucleotide 2'-phosphodiesterase   95.5   
          rase                                                                  
pduA      Propanediol     Propanediol utilization                        43.8   
          utilization                                                           
pduB      Propanediol     Propanediol utilization                        43.8   
          utilization                                                           
pduC      Propanediol     Propanediol dehydratase                        43.9   
          utilization                                                           
pduD      Propanediol     Propanediol dehydratase                        44.0   
          utilization                                                           
pduE      Propanediol     Vitamin B12 adenosyl transferase               44.0   
          utilization                                                           
pduF      Propanediol     Facilitated diffusion of propanediol           43.8   
          utilization                                                           
pduG      Propanediol     Propanediol utilization                        44.0   
          utilization                                                           
pduH      Propanediol     Propanediol utilization                        44.0   
          utilization                                                           
pdxB      Pyridoxine      Requirement                                    51.8   
pefA      Plasmid-encode  Fimbrial biosynthesis; fimbrial/pilin shaft    pSLT   
          d fimbriae      subunits                                              
pefB      Plasmid-encode  Fimbrial biosynthesis; fimbrial regulatory     pSLT   
          d fimbriae      protein                                               
pefC      Plasmid-encode  Fimbrial biosynthesis; outer membrane          pSLT   
          d fimbriae      protein                                               
pefD      Plasmid-encode  Fimbrial biosynthesis; sequence related to     pSLT   
          d fimbriae      periplasmic chaperones                                
pefI      Plasmid-encode  Short polypeptide related in sequence to       pSLT   
          d fimbriae      papI and sfaC of E. coli                              
pefK      Plasmid-encode  orf5; fimbrial biosynthesis                    pSLT   
          d fimbriae                                                            
pefL      Plasmid-encode  orf6; fimbrial biosynthesis                    pSLT   
          d fimbriae                                                            
pefS      Plasmid-encode  orf8; homologous to dsbA of E. coli            pSLT   
          d fimbriae                                                            
pepA      Peptidase       Peptidase A; similar to aminopeptidase A of    97.4   
                          E. coli                                               
pepB      Peptidase       Peptidase B; aminopeptidase                    55.8   
pepD      Peptidase       ptdD; peptidase D; a dipeptidase,              7.3    
                          carnosinase                                           
pepE      Peptidase       [[alpha]]-Aspartyl dipeptidase; peptidase E;   91.4   
                          splits Asp-X peptide bonds                            
pepM      Peptidase       Peptidase M; aminopeptidase that removes       4.3    
                          N-terminal methionine from proteins                   
pepN      Peptidase       ptdN; peptidase N; an aminopeptidase,          24.4   
                          naphthylamidase                                       
pepP      Peptidase       ptdP; peptidase P; splits X-Pro peptide        66.6   
                          bonds                                                 
pepQ      Peptidase       Peptidase Q; splits X-Pro dipeptides           86.2   
pepT      Peptidase       Peptidase T; a tripeptidase                    27.3   
pfkA                      6-Phosphofructokinase  (EC 2.7.1.11)           88.2   
pfl                       Pyruvate formate lyase                         19.5   
pgi       Phosphoglucose  oxrC, pasA; regulation of fermentative or      91.4   
          isomerase       biosynthetic enzymes; glucosephosphate                
                          isomerase  (EC 5.3.1.9)                               
pgn                       Poor growth on nutrient plates                 3.6    
pgtA      Phosphoglycera  Activator of phosphoglycerate transport        52.1   
          te                                                                    
pgtB      Phosphoglycera  Protein for signal transmission for            52.1   
          te              phosphoglycerate transport                            
pgtC      Phosphoglycera  Protein for signal transmission for            52.1   
          te              phosphoglycerate transport                            
pgtE      Phosphoglycera  Outer membrane protease E (E protein)          52.0   
          te              precursor  (EC 3.4.21.-)                              
pgtP      Phosphoglycera  Transporter for phosphoglycerate transport     52.2   
          te                                                                    
pheA      Phenylalanine   Chorismate mutase  (EC 5.4.99.5)               58.3   
pheR      Phenylalanine   Regulation of pheA                             67.7   
pheT      Phenylalanine   Phenylalanyl-tRNA synthetase,                  30.3   
                          [[beta]]-subunit                                      
phoE      Phosphate       Phosphate limitation-inducible outer           7.6    
                          membrane pore protein                                 
phoN      Phosphate       Nonspecific acid phosphatase                   94.2   
phoP      Phosphate       Phosphorylated transcriptional activator;      27.4   
                          regulator of expression of phoN and                   
                          virulence genes                                       
phoQ                      Membrane sensor kinase; environmental          27.4   
                          response regulator in conjunction with PhoP           
phoS      Phosphatase     Periplasmic phosphate-binding protein          NM     
phrB      Photoreactivat  Deoxyribodipyrimidine photolyase  (EC          16.9   
          ion             4.1.99.3)                                             
phsA                      aniE, phs; hydrogen sulfide production         44.3   
phsB                      Iron sulfur subunit; electron transfer         44.2   
phsC                      Membrane-anchoring protein                     44.2   
phsD                      Cytochrome C containing subunit; electron      44.2   
                          transfer                                              
phsE                      Function unknown                               44.2   
phsF                      Function unknown                               NM     
pig       Pigment         Brownish colonies                              56.5   
pldA                      Outer membrane phospolipase A                  86.0   
ply       Phage lysogeny  pox; control of P22 lysogeny                   94.6   
pmrA                      Polymyxin B resistance; regulation of          93.5   
                          transcription                                         
pmrB                      Polymyxin B resistance; sensor protein  (EC    93.5   
                          2.7.3.-)                                              
pmrD                      Polymyxin B resistance                         50.1   
pncA      Pyridine        Nicotinamide deamidase  (EC 3.5.1.19)          28.9   
          nucleotide                                                            
          cycle                                                                 
pncB      Pyridine        Nicotinic acid phosphoribosyltransferase       23.2   
          nucleotide      (EC 2.4.2.11)                                         
          cycle                                                                 
pncC      Pyridine        NMN deamidase; mutations fail to use NMN as    88.8   
          nucleotide      a pyridine source                                     
          cycle                                                                 
pncH      Pyridine        Nicotinamide used as sole nitrogen source      29.0   
          nucleotide                                                            
          cycle                                                                 
pncX      Pyridine        6-Aminonicotinamide resistant                  29.0   
          nucleotide                                                            
          cycle                                                                 
pnuA      Pyridine        NMN uptake deficient                           99.7   
          nucleotide                                                            
          uptake                                                                
pnuB      Pyridine        Growth on lower than normal levels of NMN      99.7   
          nucleotide                                                            
          uptake                                                                
pnuC      Pyridine        NMN uptake deficient                           17.2   
          nucleotide                                                            
          uptake                                                                
pnuD      Pyridine        Restores ability to use NMN to a pnuC mutant   64.0   
          nucleotide                                                            
          uptake                                                                
pnuE      Pyridine        Failure to use exogenous NAD; periplasmic      88.3   
          nucleotide      NAD pyrophosphatase                                   
          uptake                                                                
pnuF      Pyridine        Mutations allow use of quinolinate as          2.7    
          nucleotide      pyridine source                                       
          uptake                                                                
pnuG      Pyridine        Mutations allow use of quinolinate as          38.9   
          nucleotide      pyridine source                                       
          uptake                                                                
pnuH      Pyridine        Mutations allow use of quinolinate as          56.1   
          nucleotide      pyridine source                                       
          uptake                                                                
pocR                      Positive regulator for cob and pdu genes       43.8   
polA      Polymerase      atrC; DNA nucleotidyltransferase  (EC          86.5   
                          2.7.7.7)                                              
potA      Polyamine       Spermidine and putrescine transport;           27.3   
          transport       membrane-associated protein                           
poxA      Pyruvate        Hypersensitivity to antimicrobial agents;      94.6   
          oxidase         lower levels of pyruvate oxidase and                  
                          acetolactate synthase deficiency in                   
                          [[alpha]]-ketobutyrate metabolism                     
ppc                       Phosphoenolpyruvate carboxylase  (EC           89.6   
                          4.1.1.31)                                             
ppiA                      Peptidyl-prolyl cis-trans isomerase A          75.1   
                          precursor  (EC 5.2.1.8)                               
ppsA                      Phosphoenolpyruvate synthase                   30.5   
ppsB                      Deficiency in phosphoenolpyruvate synthase;    3.3    
                          may be identical to fruR                              
praA                      Phage P221 receptor function                   93.8   
praB                      Phage P221 receptor function                   64.7   
prbA                      Phage ES18 receptor function                   93.8   
prbB                      Phage ES18 receptor function                   35.5   
prc                       Reduced survival in macrophages; similar to    41.6   
                          prc protease of E. coli                               
prdB                      Phage PH51 receptor function                   35.6   
prfA                      Protein release factor 1 (RF1)                 38.8   
prfB                      supT, supK; protein release factor 2 (RF2)     66.2   
prgH      phoP-repressed  Influences mouse virulence; defective in       62.9   
          gene            macrophage invasion                                   
prh                       Phage HK009 receptor function                  94.0   
prk                       Phage HK068 receptor function                  35.4   
proA      Proline         Glutamate to glutamic-[[gamma]]-semialdehyde   7.8    
proB      Proline         Glutamate to glutamic-[[gamma]]-semialdehyde   7.8    
proC      Proline         Pyrroline-5-carboxylate reductase  (EC         8.9    
                          1.5.1.2)                                              
proL      Proline         sufB, proW; frameshift suppressor affecting    49.1   
                          proline tRNA and correcting +1 frameshifts            
                          at runs of C in mRNA                                  
proM      Proline         proT; proline tRNA                             85.6   
proP      Proline         Proline permease II; glycine betaine and       93.5   
                          proline; low affinity                                 
proV      Proline         proU; high affinity transport system for       61.4   
                          glycine betaine and proline; binding protein          
proW      Proline         proU; high affinity transport system for       61.4   
                          glycine betaine and proline; hydrophobic              
                          membrane component                                    
proX      Proline         proU; high affinity transport system for       61.4   
                          glycine betaine and proline; glycine                  
                          betaine-binding protein                               
proY      Proline         Proline transport system                       9.0    
proZ      Proline         Proline transport system                       77.7   
prpA      Propionate      prp; Propionate metabolism                     95.7   
prpB      Propionate      Propionate metabolism                          8.2    
prsA                      prsB; phosphoribosylpyrophosphate synthetase   38.9   
psiA                      Phosphate starvation inducible                 75.8   
psiB                      Phosphate starvation inducible                 88.9   
psiC                      Phosphate starvation inducible                 10.1   
psiD                      Phosphate starvation inducible                 93.8   
psiR                      Regulates psiC activity                        84.8   
pss                       Outer membrane proteins which protect          94.3   
                          against oxidative intra-leukocyte killing             
psuA                      Suppressor of polarity                         NM     
pta       Phosphotrans-a  Acetyl-CoA:orthophosphate acetyltransferase    50.8   
          cetylase        (EC 2.3.1.8)                                          
ptsF      Phosphotrans-f  fruA; fructose phosphotransferase enzyme IIa   48.8   
          erase system                                                          
ptsG      Phosphotrans-f  glu, gpt; glucose phosphotransferase enzyme    26.9   
          erase system    IIB'-factor III (crr) system                          
                          (methyl-ß-D-glucoside)                                
ptsH      Phosphotrans-f  carB; phosphohistidine protein-hexose          52.9   
          erase system    phosphotransferase  (EC 2.7.1.69)                     
ptsI      Phosphotrans-f  carA; enzyme I of the phosphotransferase       52.9   
          erase system    system                                                
ptsJ      Phosphotrans-f  Enzyme I* of the phosphotransferase system,    52.9   
          erase system    not expressed in wild type                            
ptsM      Phosphotrans-f  manA; mannose-glucose phosphotransferase       NM     
          erase system    enzyme IIA (2-deoxyglucose)                           
purA      Purine          Adenylosuccinate synthetase  (EC 6.3.4.4)      95.1   
purB      Purine          Adenylosuccinate lyase  (EC 4.3.2.2)           27.5   
purC      Purine          Phosphoribosylaminoimidazole-succinocarboxami  54.0   
                          de synthetase  (EC 6.3.2.6)                           
purD      Purine          Phosphoribosylglycinamide synthetase  (EC      90.8   
                          6.3.1.13)                                             
purE      Purine          Phosphoribosylaminoimidazole carboxylase       12.6   
                          (EC 4.1.1.21)                                         
purF      Purine          Amidophosphoribosyltransferase  (EC 2.4.2.14)  51.7   
purG      Purine          Phosphoribosylglycinamidine synthetase  (EC    56.3   
                          6.3.5.3)                                              
purH      Purine          Phosphoribosylaminoimidazolecarboxamide        90.8   
                          formyltransferase  (EC 2.1.2.3)                       
purI      Purine          Phosphoribosylaminoimidazole synthetase  (EC   54.5   
                          6.3.3.1)                                              
purJ      Purine          IMP cyclohydrolase  (EC 3.5.4.10)              90.8   
purN      Purine          Cryptic purF analog; synthesis of              4.7    
                          phosphoribosylamine                                   
purR      Purine          Constitutive high expression of pur genes      30.7   
putA      Proline         putB; bifunctional enzyme; proline oxidase     25.6   
          utilization     and pyrroline-5-carboxylate dehydrogenase             
putP      Proline         major L-proline permease                       25.7   
          utilization                                                           
pyrB      Pyrimidine      Aspartate carbamoyltransferase  (EC 2.1.3.2)   96.9   
pyrC      Pyrimidine      Dihydroorotase  (EC 3.5.2.3)                   26.2   
pyrD      Pyrimidine      Dihydroorotate oxidase  (EC 1.3.3.1)           24.1   
pyrE      Pyrimidine      Orotate phosphoribosyltransferase  (EC         81.4   
                          2.4.2.10)                                             
pyrF      Pyrimidine      Orotidine-5'-phosphate decarboxylase  (EC      37.6   
                          4.1.1.23)                                             
pyrG      Pyrimidine      CTP synthetase                                 64.4   
pyrH      Pyrimidine      UMP kinase                                     4.4    
pyrI      Pyrimidine      Regulatory polypeptide for aspartate           96.9   
                          transcarbamoylase, regulatory subunit  (EC            
                          2.1.3.2)                                              
pyrL      Pyrimidine      Aspartate transcarbamoylase leader peptide     96.9   
qor                       Quinoline reductase                            92.1   
rbsB      Ribose          rbsP; ribose-binding protein                   85.0   
rck       Resistance to   17 kDa outer membrane protein; sequence        pSLT   
          complement      similarity to pagC                                    
          killing                                                               
recA      Recombination   Recombination deficient; degrades DNA          62.2   
recB      Recombination   Recombination deficient; exonuclease V  (EC    65.2   
                          3.1.11.15)                                            
recC      Recombination   Recombination deficient; exonuclease V  (EC    65.3   
                          3.1.11.15)                                            
recD      Recombination   Endonuclease component of RecBCD enzyme        65.2   
recF      Recombination   UV sensitive; recombination defective in       83.5   
                          recB sbcBC background                                 
recJ      Recombination   UV sensitive; recombination defective in       66.2   
                          recB sbcBC background                                 
recN      Recombination   Recombination defective in recB sbcBC          58.2   
                          background                                            
recQ      Recombination   Recombination deficient; DNA helicase          86.0   
                          activity                                              
relA      RNA relaxed     RC; regulation of RNA synthesis                64.6   
repB      Replication     Plasmid partitioning                           pSLT   
repC      Replication     Plasmid partitioning                           pSLT   
rfaB      Rough           UDP-D-galactose:LPS                            81.4   
                          [[alpha]]-1,6-D-galactosyltransferase  (EC            
                          2.1.4.-)                                              
rfaC      Rough           LPS core defect; LPS heptosyltranserase I      81.3   
rfaD      Rough           D-Glycero-D-manno-heptose epimerase (EC        81.2   
                          5.1.3.-)                                              
rfaE      Rough           LPS core defect; proximal heptose deficient    78.5   
rfaF      Rough           LPS core defect; ADP-heptose--LPS              81.2   
                          heptosyltransferase II                                
rfaG      Rough           LPS core defect; glucose I transferase         81.4   
rfaH      Rough           Deficient in LPS core synthesis and in         86.1   
                          F-factor expression; transcription control            
                          factor                                                
rfaI      Rough           LPS core defect; LPS                           81.4   
                          1,3-galactosyltransferase  (EC 2.4.1.44)              
rfaJ      Rough           LPS core defect; LPS 1,2-glucosyltransferase   81.4   
rfaK      Rough           LPS core defect; LPS                           81.3   
                          1,2-N-acetylglucosaminetransferase  (EC               
                          2.4.1.56)                                             
rfaL      Rough           LPS core defect; O-antigen ligase              81.3   
rfaP      Rough           LPS core defect; heptose phosphorylation       81.4   
rfaY      Rough           LPS core defect                                81.3   
rfaZ      Rough           LPS core defect                                81.3   
rfbA      Rough           musA, musB; LPS side chain defect;             45.2   
                          glucose-1-phosphate thymidylyltransferase             
                          (EC 2.7.7.24)                                         
rfbB      Rough           LPS side chain defect;dTDP-D-glucose 4,6       45.3   
                          dehydratase  (EC 4.2.1.46)                            
rfbC      Rough           LPS side chain defect;                         45.2   
                          dTDP-4-dehydroxyrhamnose 3,5-epimerase  (EC           
                          5.1.3.13)                                             
rfbD      Rough           LPS side chain defect;                         45.3   
                          NADPH:dTDP-4-dehyroxyrhamnose reductase  (EC          
                          1.1.1.133)                                            
rfbF      Rough           LPS side chain defect;Glucose-1-phosphate      45.2   
                          cytidylyltransferase  (EC 2.7.7.33)                   
rfbG      Rough           LPS side chain defect;CDP-glucose              45.2   
                          4,6-dehydratase  (EC 4.2.1.45)                        
rfbH      Rough           LPS side chain                                 45.1   
                          defect;CDP-6-deoxy-D-xylo-4-hexulose-3-dehydr         
                          ase                                                   
rfbI      Rough           LPS side chain defect;                         45.2   
                          CDP-6-deoxy-[[Delta]]3,4-glucoseen reductase          
rfbJ      Rough           LPS side chain defect;CDP-abequose synthase    45.1   
                          (EC 4.2.1.-)                                          
rfbK      Rough           LPS side chain defect; phosphomannomutase      45.0   
                          (EC 5.4.2.8)                                          
rfbM      Rough           LPS side chain defect; mannose-1-phosphate     45.0   
                          guanylyltransferase  (EC 2.7.7.22)                    
rfbN      Rough           LPS side chain defect; rhamnosyl transferase   45.0   
rfbP      Rough           rfbT; bifunctional enzyme;                     44.9   
                          undecaprenyl-phosphate                                
                          galactosephosphotransferase; may also                 
                          relocate  O-antigen from cytoplasmic to               
                          periplasmic face of cytoplasmic membrane              
rfbU      Rough           LPS side chain defect; mannosyl transferase    45.0   
rfbV      Rough           LPS side chain defect; abequosyltransferase;   45.1   
                          putative                                              
rfbX      Rough           LPS side chain defect; rhanosyltransferase;    45.1   
                          putative  (EC 2.4.1.-)                                
rfc       Rough           rouC; O-antigen polymerase                     35.7   
rfe       Rough           Defect in synthesis of enterobacterial         85.4   
                          common antigen, the T1 antigen, and O-side            
                          chains of Salmonella groups L and C1                  
rffM      Rough           rff; synthesis of enterobacterial common       85.6   
                          antigen; UDP-N-acetyl-D-mannosaminuronic              
                          acid transferase  (EC 2.4.1.-)                        
rffT      Rough           rff; synthesis of enterobacterial common       85.5   
                          antigen; 4-[[alpha]]-L-fucosyl transferase            
                          (EC 2.4.1.-)                                          
rft       Rough           "Transient" T1 forms                           16.2   
rfu       Rough           "Transient" T1 forms                           NM     
rhaA      Rhamnose        L-Rhamnose isomerase  (EC 5.3.1.14)            88.1   
rhaB      Rhamnose        L-Rhamnulokinase  (EC 2.7.1.5)                 88.1   
rhaD      Rhamnose        L-Rhamnulose-1-phosphate aldolase  (EC         88.1   
                          4.1.2.19)                                             
rhaR      Rhamnose        rhaC1; regulation                              88.1   
rhaS      Rhamnose        rhaC2; regulation                              88.1   
rhaT      Rhamnose        L-Rhamnose transport                           88.1   
rhlB                      RNA helicase; putative                         85.4   
rho                       psu; polarity suppressor; transcription        85.3   
                          terminator factor Rho                                 
rna       RNase           rnsA; RNase I                                  15.2   
rnc       RNase           RNase III                                      57.6   
rnhA      RNase H         RNase H  (EC 3.1.26.4)                         6.9    
rnhB      RNase H         RNase HII  (EC 3.1.26.4)                       5.9    
rnpA      RNase P         RNase P, protein component  (EC 3.1.26.5)      83.8   
rnpB      RNase P         RNase P, RNA subunit, M1 RNA                   71.1   
rodA      Rod             Round cell morphology; mecillinam resistance   15.4   
rph       RNasePH         tRNA nucleotidyltransferase; RNase PH  (EC     81.5   
                          2.7.7.56)                                             
rplA      Ribosomal       50S ribosomal subunit protein L1               90.1   
          protein, large                                                        
rplE      Ribosomal       50S ribosomal subunit protein L5               74.6   
          protein, large                                                        
rplJ      Ribosomal       50S ribosomal subunit protein L10              90.2   
          protein, large                                                        
rplK      Ribosomal       50S ribosomal subunit protein L11              90.1   
          protein, large                                                        
rplL      Ribosomal       50S ribosomal subunit protein L7/L12           90.2   
          protein, large                                                        
rplS      Ribosomal       50S ribosomal subunit protein L19              57.9   
          protein, large                                                        
rplX      Ribosomal       50S ribosomal subunit protein L24              74.6   
          protein, large                                                        
rpoA      RNA polymerase  oxrB; RNA polymerase, [[alpha]]-subunit  (EC   74.5   
                          2.7.7.6)                                              
rpoB      RNA polymerase  rif; RNA polymerase, ß-subunit  (EC 2.7.7.6)   90.2   
rpoC      RNA polymerase  RNA polymerase, ß'-subunit  (EC 2.7.7.6)       90.2   
rpoD      RNA polymerase  RNA polymerase, s70 subunit                    70.0   
rpoE      RNA polymerase  RNA polymerase, [[sigma]]E  subunit            57.7   
rpoN      RNA polymerase  glnF, ntrA; RNA polymerase, [[sigma]]54        72.2   
                          subunit  (E.C.2.7.7.6)                                
rpoS      RNA polymerase  katF; RNA polymerase, [[sigma]]S  subunit      63.6   
rpsD      Ribosomal       30S ribosomal subunit protein S4               74.5   
          protein, small                                                        
rpsE      Ribosomal       spcA; 30S ribosomal subunit protein S5         74.6   
          protein, small                                                        
rpsG      Ribosomal       30S ribosomal subunit protein S7               74.7   
          protein, small                                                        
rpsL      Ribosomal       strA; 30S ribosomal subunit protein S12        74.7   
          protein, small                                                        
rpsP      Ribosomal       30S ribosomal subunit protein S16              57.9   
          protein small                                                         
rpsU      Ribosomal       30S ribosomal subunit protein S21              70.0   
          protein, small                                                        
rrfB                      5S ribosomal RNA gene of rrnB operon           90.0   
rrnA      rRNA            rRNA operon                                    87.0   
rrnB      rRNA            rRNA operon                                    90.0   
rrnC      rRNA            rRNA operon                                    85.0   
rrnD      rRNA            rRNA operon                                    74.3   
rrnE      rRNA            rRNA operon                                    90.9   
rrnG      rRNA            rRNA operon                                    58.1   
rrnH      rRNA            rRNA operon                                    6.2    
rsk                       Binding site for a regulatory element for      pSLT   
                          virulence traits                                      
samA      Salmonella      Mutagenesis by UV and mutagens; related to     pSLT   
          mutagenesis     umuDC operon                                          
samB      Salmonella      Mutagenesis by UV and mutagens; related to     pSLT   
          mutagenesis     umuDC operon                                          
sapA      Sensitive to    Resistance to antimicrobial peptides           37.1   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapB      Sensitive to    Resistance to antimicrobial peptides           37.2   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapC      Sensitive to    Resistance to antimicrobial peptides           37.2   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapD      Sensitive to    Resistance to antimicrobial peptides           37.2   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapE      Sensitive to    Resistance to antimicrobial peptides           3.4    
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapF      Sensitive to    Resistance to antimicrobial peptides           37.2   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapI      Sensitive to    Resistance to antimicrobial peptides           38.7   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapJ      Sensitive to    Resistance to antimicrobial peptides           87.7   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapK      Sensitive to    Resistance to antimicrobial peptides           87.7   
          antimicrobial   melittin and protamine                                
          peptides                                                              
sapL                      Resistance to antimicrobial peptides           44.1   
                          melittin and protamine                                
sapM      Sensitive to    Resistance to antimicrobial peptides           6.6    
          antimicrobial   melittin and protamine                                
          peptides                                                              
sbcB      Suppressor of   Suppressor of recBC mutations                  41.6   
          recBC                                                                 
sbcC      Suppressor of   Suppressor of recBC mutations                  9.2    
          recBC                                                                 
sbcD      Suppressor of   Suppressor of recBC mutations                  9.2    
          recBC                                                                 
sbcE      Suppressor of   Unstable suppressor of recBC mutations         57.0   
          recBC                                                                 
sbp       Sulfate         Periplasmic sulfate binding protein            88.3   
          binding                                                               
          protein                                                               
selA      Selenium        fdhA; selenium metabolism; biosynthesis of     80.3   
                          selenoproteins                                        
selB      Selenium        fdhA; selenium metabolism; translation         80.3   
                          factor necessary for biosynthesis of                  
                          selenoproteins                                        
selC      Selenium        fdhC; selenium metabolism; selenocysteine      81.5   
                          tRNA                                                  
selD      Selenium        selA; selenium metabolism; biosynthesis of     29.0   
                          selenoproteins and selenocysteine tRNA                
serA      Serine          Phosphoglycerate dehydrogenase  (EC 1.1.1.95)  66.8   
serB      Serine          Phosphoserine phosphatase  (EC 3.1.3.3)        99.5   
serC      Serine          Requirement                                    19.6   
serD      Serine          Requirement for pyridoxine plus L-serine or    47.2   
                          glycine                                               
serV      Serine          Serine tRNA 3                                  62.0   
sgdA      Suppressor of   Restores his attenuation in gyrA mutants and   62.0   
          gyrase          suppresses other gyrA phenotypes                      
sidC      Siderochrome    Siderochrome utilization; ferrichrome          3.8    
                          transport; albomycin resistance                       
sidF      Siderochrome    Siderochrome utilization; ferrichrome          3.8    
                          transport; albomycin resistance                       
sidK      Siderochrome    Siderochrome utilization; albomycin            5.0    
                          resistance; receptor of phage ES18 in S.              
                          typhimurium and of T5 in S. paratyphi B               
sinR      Salmonella      Protein in the LysR family of transcription    104.0  
          insert          regulators; gene is unique to Salmonella              
          regulator                                                             
slt                       Soluble lytic transglycosylase                 99.9   
slyA      Salmolysin      cyx; hemolysin, required for survival in       30.8   
                          macrophages and for virulence                         
smoB      Smooth          Smooth colony morphology in                    98.6   
                          histidine-constitutive mutants                        
smpB      Small protein   Reduced survival in macrophages                59.5   
sms                       Repair of endogenous alkylation damage;        99.9   
                          putative; similarity with ATP-dependent               
                          proteases Lon and RecA                                
smvA                      Methyl viologen-resistant                      38.6   
sodB                      Iron superoxide dismutase; putative  (EC       30.7   
                          1.15.1.1)                                             
spaK      Surface         invB; reduced invasion; secretory pathway      63.1   
          presentation                                                          
          of antigens                                                           
spaL      Surface         invC; reduced invasion; secretory pathway,     63.1   
          presentation    homologous to spa in Shigella                         
          of antigens                                                           
spaM      Surface         invI; reduced invasion; secretory pathway      63.1   
          presentation                                                          
          of antigens                                                           
spaN      Surface         invJ; reduced invasion; secretory pathway      63.0   
          presentation                                                          
          of antigens                                                           
spaO      Surface         reduced invasion; secretory pathway            63.0   
          presentation                                                          
          of antigens                                                           
spaP      Surface         reduced invasion; secretory pathway            63.0   
          presentation                                                          
          of antigens                                                           
spaQ      Surface         reduced invasion; secretory pathway            63.0   
          presentation                                                          
          of antigens                                                           
spaR      Surface         reduced invasion; secretory pathway            63.0   
          presentation                                                          
          of antigens                                                           
spaS      Surface         reduced invasion; secretory pathway            63.0   
          presentation                                                          
          of antigens                                                           
spaT      Surface         reduced invasion; secretory pathway            62.9   
          presentation                                                          
          of antigens                                                           
spcB      Spectinomycin   Nonribosomal resistance                        74.5   
spoT      Spot            Guanosine 5'-diphosphate, 3'-diphosphate       81.6   
                          pyrophosphatase                                       
spvA      Salmonella      mkaB, vsdB; hydrophilic protein, 28 kDa,       pSLT   
          plasmid         outer membrane protein                                
          virulence                                                             
spvB      Salmonella      vsdC, mkaA, mkfB; hydrophilic protein, 66      pSLT   
          plasmid         kDa, cytoplasmic protein                              
          virulence                                                             
spvC      Salmonella      virA, mkaD, mkfA, vsdD; hydrophilic protein,   pSLT   
          plasmid         28 kDa                                                
          virulence                                                             
spvD      Salmonella      virB, vsdE; hydrophlic protein, 25 kDa         pSLT   
          plasmid                                                               
          virulence                                                             
spvR      Salmonella      mkaC, vsdA; regulation of the spv operon;      pSLT   
          plasmid         member of LysR family of positive regulatory          
          virulence       proteins                                              
srlA      Sorbitol        D-Glucitol-specific enzyme II of the           62.5   
                          phosphotransferase system                             
srlB      Sorbitol        D-Glucitol-specific enzyme III of the          62.5   
                          phosphotransferase system                             
srlC      Sorbitol        gut; regulatory gene                           62.4   
srlD      Sorbitol        Sorbitol-6-phosphate dehydrogenase  (EC        62.5   
                          1.1.1.140)                                            
srlM      Sorbitol        DNA-binding protein which activates            62.5   
                          transcription of the srl operon                       
srlR      Sorbitol        Regulatory gene                                62.5   
ssb       Single-strand   Single-strand DNA-binding protein              92.3   
          binding                                                               
stiA      Starvation      sinA; induced by starvation for carbon         35.8   
          inducible       source or other requirements                          
stiB      Starvation      Induced by starvation for carbon source or     NM     
          inducible       other requirements                                    
stiC      Starvation      Induced by starvation for carbon source or     78.2   
          inducible       other requirements                                    
stiD      Starvation      Induced by starvation for carbon source or     35.9   
          inducible       other requirements                                    
stiE      Starvation      Induced by starvation for carbon source or     44.0   
          inducible       other requirements                                    
stiF      Starvation      Induced by starvation for carbon source or     NM     
          inducible       other requirements                                    
stiG      Starvation      Induced by starvation for carbon source or     88.2   
          inducible       other requirements                                    
stiH      Starvation      Induced by starvation for carbon source or     57.4   
          inducible       other requirements                                    
stn       Salmonella      stx; enterotoxin                               NM     
          toxin                                                                 
strB      Streptomycin    Low-level resistance plus auxotrophy;          55.7   
                          nonribosomal                                          
strC      Streptomycin    Streptomycin resistance; nonribosomal          NM     
sucA      Succinate       lys, suc; succinate requirement;               17.1   
                          [[alpha]]-ketoglutarate dehydrogenase,                
                          decarboxylase component                               
sufA      Suppressor of   Suppressor affecting proline tRNA and          79.9   
          frameshifts     correcting +1 frameshifts at runs of C in             
                          the mRNA                                              
sufB      Suppressor of   sufC; recessive suppressor of +1 frameshifts   16.8   
          frameshifts     at runs of C in the mRNA                              
sufD      Suppressor of   Frameshift suppressor affecting glycine tRNA   65.8   
          frameshifts     and correcting +1 frameshifts at runs of G            
                          in the mRNA                                           
sufE      Suppressor of   Frameshift suppressor correcting +1            90.7   
          frameshifts     frameshifts at runs of G in the mRNA                  
sufF      Suppressor of   Recessive frameshift suppressor correcting     12.4   
          frameshifts     +1 frameshifts at runs of G in the mRNA               
sufG      Suppressor of   supI; frameshift suppressor correcting +1      16.6   
          frameshifts     frameshifts at runs of A in the mRNA                  
sufH      Suppressor of   Suppressor                                     53.2   
          frameshifts                                                           
sufI      Suppressor of   Suppressor                                     12.5   
          frameshifts                                                           
sulA      Suppressor of   Lacks SOS-induced filamentation                24.4   
          lon                                                                   
sumA      Suppressor of   Suppressor                                     95.2   
          missense                                                              
supC      Suppressor      Ochre suppressor                               38.6   
supD      Suppressor      Amber suppressor; serine insertion             42.9   
supE      Suppressor      supY; amber suppressor; glutamine insertion    16.7   
supG      Suppressor      Ochre suppressor; lysine insertion             NM     
supJ      Suppressor      supH; amber suppressor; leucine insertion      85.1   
supQ      Suppressor      Suppressor of nonsense and deletion            7.9    
                          mutations of leuD                                     
supR      Suppressor      Amber suppressor; haploid lethal               85.1   
supS      Suppressor      UGA suppressor; haploid lethal                 85.1   
supU      Suppressor      Suppressor of UGA mutations; may be due to     74.8   
                          alteration of ribosome structure                      
tar       Taxis-associat  Chemotaxis transduction polypeptide;           41.9   
          ed receptor     aspartate receptor                                    
tcp                       Transmembrane receptor for citrate             NM     
                          (attractant) and phenol (repellent)                   
tctA      Tricarboxylate  Membrane protein                               60.9   
          transport                                                             
tctB      Tricarboxylate  Membrane protein                               60.8   
          transport                                                             
tctC      Tricarboxylate  Tricarboxylate-binding protein                 60.8   
          transport                                                             
tctD      Tricarboxylate  Regulatory protein                             60.8   
          transport                                                             
tctII     Tricarboxylate  Transport                                      17.6   
          transport                                                             
tctIII    Tricarboxylate  triM, triR; transport                          1.3    
          transport                                                             
tdcB                      Catabolic threonine dehydratase                70.9   
tdk                       Thymidine kinase  (EC 2.7.1.21)                38.4   
tesA                      apeA; thioesterase I  (EC 3.1.2.-)             12.3   
thiA      Thiamine        thiG; thiamine or thiazole moiety              90.5   
thiC      Thiamine        thiA; thiamine or pyrimidine moiety            90.5   
thiD      Thiamine        Thiamine requirement                           50.5   
thiE      Thiamine        Thiazole type                                  55.2   
thiF      Thiamine        Thiazole type                                  55.3   
thiH      Thiamine        thiB; thiamine requirement                     56.6   
thiI      Thiamine        thiC; thiazole type                            10.5   
thrA      Threonine       thrC, thrD; aspartokinase I and homoserine     0.0    
                          dehydrogenase I  (EC 2.7.2.4),(EC 1.1.1.3)            
thrB      Threonine       thrA; homoserine kinase  (EC 2.7.1.39)         0.0    
thrC      Threonine       thrB; threonine synthase  (EC 4.2.99.2)        0.1    
thrT      Threonine       sufJ; threonine tRNA                           90.0   
thrW      Threonine       Threonine tRNA 2; sequence contains            7.8    
                          attachment site for prophage P22; see ataA            
thyA      Thymine         Requirement                                    65.3   
tip       Taxis-involved  Methyl-accepting chemotaxis protein,           NM     
          protein         aspartate receptor                                    
tkt                       Transketolase  (EC 2.2.1.1)                    NM     
tlpA                      Prokaryotic coiled-coil protein                pSLT   
tlpB                      tlp; loss of protease II                       40.4   
tlr                       Thiolutin resistance; P22 development at       NM     
                          high temperature                                      
tonB      T-one           chr; regulates levels of some outer membrane   38.2   
                          proteins; resistance to ES18; determines a            
                          salmonellocin; affects iron transport                 
topA      Topoisomerase   supX, top; DNA topoisomerase I                 37.7   
topB      Topoisomerase   DNA topoisomerase III  (EC 5.99.1.2)           29.1   
tor                       Trimethylamine oxide reductase                 82.5   
tppB      Tripeptide      Resistance to alafosfalin; tripeptide          32.1   
          permease        permease                                              
tppR      Tripeptide      Regulator of tripeptide permease               4.7    
          permease                                                              
traT      Transfer        Membrane protein cross-reacts                  pSLT   
                          immunologically with TraT protein of F                
                          plasmid; restores permeability mutants to             
                          normal                                                
treA      Trehalose       tre; Utilization                               40.2   
treR      Trehalose       Trehalose regulation                           96.6   
trkA      Transport of    sapG; potassium uptake protein                 74.4   
          Potassium                                                             
trmA                      tRNA (m5U54) methyltransferase  (EC 2.1.1.35)  89.7   
trmD                      tRNA (m1G37) methyltransferase  (EC 2.1.1.31)  57.9   
trpA      Tryptophan      trpC; tryptophan synthetase,                   38.1   
                          [[alpha]]-subunit  (EC 4.2.1.20)                      
trpB      Tryptophan      trpD; tryptophan synthetase,                   38.1   
                          [[beta]]-subunit  (EC 4.2.1.20)                       
trpC      Tryptophan      trpE; N-(5-phosphoribosyl) anthranilate        38.1   
                          isomerase and indole-3-glycerol phosphate             
                          synthase  (EC 5.1.3.24)(EC 4.1.1.48)                  
trpD      Tryptophan      trpB; anthranilate phosphoribosyltransferase   38.0   
                          (EC 2.4.2.18)                                         
trpE      Tryptophan      trpA; anthranilate synthase  (EC 4.1.3.27)     38.0   
trpR      Tryptophan      Resistance to 5-methyltryptophan;              99.9   
                          derepression of tryptophan enzymes                    
trxA      Thioredoxin     Thioredoxin                                    85.3   
tsr                       Chemotaxis receptor; serine specificity        98.5   
tsx       T-six           Nucleoside uptake; receptor for phage T6 (in   9.1    
                          E. coli)                                              
ttr                       Tetrathionate reductase                        40.0   
tufA                      Protein chain elongation factor EF-Tu          74.7   
tufB                      Protein chain elongation factor EF-Tu          90.1   
tyn                       Tyramine oxidase                               NM     
tyrA      Tyrosine        Requirement                                    58.3   
tyrR      Tyrosine        Regulator gene for aroF and tyrA               37.1   
tyrS      Tyrosine        Tyrosyl-tRNA synthetase                        30.9   
tyrT      Tyrosine        supC, supF; ochre suppressor; tyrosine tRNA    38.4   
                          1                                                     
tyrU      Tyrosine        supM; ochre suppressor; tyrosine tRNA 2        90.0   
ubiF      Ubiquinone      cad; deficient in ubiquinone synthesis;        16.3   
                          accumulates                                           
                          2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquin         
                          one                                                   
ubiG      Ubiquinone      Ubiquinone synthesis                           49.3   
ubiX      Ubiquinone      Growth stimulation by p-hydroxybenzoic acid;   51.3   
                          3-octaprenyl-4-hydroxybenzoate decarboxylase          
udk                       Uridine kinase  (EC 2.7.1.48)                  45.7   
udp                       Uridine phosphorylase  (EC 2.4.2.3)            86.3   
uhpA                      Utilization of hexose phosphate                82.1   
uhpB                      Utilization of hexose phosphate                82.0   
uhpC                      Utilization of hexose phosphate                82.0   
uhpT                      Hexosephosphate transport                      82.0   
umuC                      Induction of mutations by UV; error prone      42.9   
                          repair                                                
umuD                      Induction of mutations by UV; error prone      42.9   
                          repair                                                
upp                       Uracil phosphoribosyltransferase  (EC          54.2   
                          2.4.2.9)                                              
urs       Uracil          Uracil catabolism defect                       35.2   
ushA      UDP sugar       UDP-sugar hydrolase (5'-nucleotidase);         12.2   
          hydrolase       silent gene in Salmonella  spp. of subgenus           
                          I                                                     
ushB      UDP sugar       Inner membrane-associated UDP-sugar            88.3   
          hydrolase       hydrolase                                             
usp       Ureidosuccinat  Permeability to ureidosuccinate                NM     
          e                                                                     
uvrA      UV              Repair of UV damage to DNA; exinuclease ABC,   92.3   
                          subunit A                                             
uvrB      UV              Repair of UV damage to DNA; exinuclease ABC,   18.4   
                          subunit B                                             
uvrC      UV              Repair of UV damage to DNA; exinuclease ABC,   42.2   
                          subunit C                                             
uvrD      UV              Repair of UV damage to DNA; helicase II  (EC   85.8   
                          3.6.1.-)                                              
valS      Valine          Valyl-tRNA synthetase  (EC 6.1.1.9)            97.3   
viaA                      ViA; Vi antigen (in S. typhi)                  50.3   
xylA      D-Xylose        Xylose isomerase  (EC 5.3.1.5)                 80.0   
xylB      D-Xylose        Xylulokinase  (EC 2.7.1.17)                    80.0   
xylR      D-Xylose        Regulation                                     80.0   
xylT      D-Xylose        Transport                                      80.0