| Bacterioferritin (EC 1.16.3.1) | bfr-II PP_1082 | Q88NX1 | 1 |
| Bacterioferritin (EC 1.16.3.1) | bfr S4407 SF3355 AJR25_014400 AJR27_020240 | Q83PY2 | 1 |
| Bacterioferritin comigratory protein | bcp FTN_1756 | A0Q8P2 | 1 |
| Bacterioferritin comigratory protein | bcp PA1008 | Q9I4W5 | 1 |
| Bacteriohemerythrin | PA1673 | Q9I352 | 1 |
| Bactoprenol glucosyl transferase | VSAK1_09663 | A6D0H3 | 1 |
| Basal-body rod modification protein FlgD | VS_0803 | B7VKM1 | 1 |
| Basal-body rod modification protein FlgD | flgD Smlt2315 | B2FQV6 | 1 |
| Bcr/CflA family drug resistance efflux transporter | KW89_729 | A0A0K2DV64 | 1 |
| Benzoate 1,2-dioxygenase subunit alpha (EC 1.14.12.10) | benA PP_3161 | Q88I40 | 1 |
| Benzoate 1,2-dioxygenase subunit beta (EC 1.14.12.10) | benB PP_3162 | Q88I39 | 1 |
| Benzoate MFS transporter | benK PP_3165 | Q88I36 | 1 |
| Benzoate transport protein | PP_1820 | Q88LV7 | 1 |
| Beta alanine--pyruvate transaminase (EC 2.6.1.18) | B195_03823 | M5QN43 | 1 |
| Beta alanine-pyruvate transaminase (EC 2.6.1.18) | VSAK1_23169 | A6CW40 | 1 |
| Beta sliding clamp | dnaN Cj0002 | Q0PCC3 | 1 |
| Beta-1,4-mannanase, man26B (EC 3.2.1.78) | FSU_1165 | C9RMV9 | 1 |
| Beta-1,4-mannanase, man26C (EC 3.2.1.78) | FSU_1167 | C9RMW1 | 1 |
| Beta-galactosidase (Beta-gal) (EC 3.2.1.23) (Lactase) | lacZ SSON_0299 | Q3Z583 | 1 |
| Beta-galactosidase (EC 3.2.1.23) | FSU_2288 | C9RS45 | 1 |
| Beta-galactosidase 2 (Beta-gal 2) (EC 3.2.1.23) (Lactase 2) | lacZ2 KPN78578_47890 KPN_pKPN3p05871 | A6TI29 | 1 |
| Beta-glucanase (EC 3.2.1.73) (1,3-1,4-beta-D-glucan 4-glucanohydrolase) (Endo-beta-1,3-1,4 glucanase) (Lichenase) (Mixed linkage beta-glucanase) | Fisuc_2961 FSU_0226 | P17989 | 1 |
| Beta-glucoside permease IIABC component | SPy_0572 | Q9A0X4 | 1 |
| Beta-hexosaminidase (EC 3.2.1.52) (Beta-N-acetylhexosaminidase) (N-acetyl-beta-glucosaminidase) | nagZ PA3005 | Q9HZK0 | 1 |
| Beta-hexosaminidase (EC 3.2.1.52) (Beta-N-acetylhexosaminidase) (N-acetyl-beta-glucosaminidase) | nagZ SSON_1127 | Q3Z310 | 1 |
| Beta-hexosaminidase (EC 3.2.1.52) (Beta-N-acetylhexosaminidase) (N-acetyl-beta-glucosaminidase) (N-acetylglucosaminidase) (ORF1) | nagZ ybbD yzbA BSU01660 | P40406 | 1 |
| Beta-ketoacyl-ACP reductase | Fphi_1349 | B0TY13 | 1 |
| Beta-ketoacyl-ACP reductase | fabG FTN_1339 | A0Q7J9 | 1 |
| Beta-ketoacyl-[acyl-carrier-protein] synthase III (EC 2.3.1.180) (Fragment) | VSAK1_14425 | A6D4S0 | 1 |
| Beta-ketodecanoyl-[acyl-carrier-protein] synthase (EC 2.3.1.207) | PA3286 | Q9HYV7 | 1 |
| Beta-lactamase | MXAN_2321 | Q1D9Y2 | 1 |
| Beta-lactamase (Beta-lactamase OXA-33) (Betalactamase OXA24) (Carbapenem-hydrolyzing beta-lactamase OXA-40) (Carbapenem-hydrolyzing oxacillinase) (Carbapenem-hydrolyzing oxacillinase OXA-40) (Carbapenemase OXA-24) (Class D beta-lactamase OXA-40) (OXA24 B-lactamase) (Oxa40) | blaOXA-33 bla-OXA-40 blaOXA-24 blaOXA-40 oxa-24 oxa40 | Q8RLA6 | 1 |
| Beta-lactamase (EC 3.5.2.6) | ampC | Q9L4R5 | 1 |
| Beta-lactamase (EC 3.5.2.6) | ampC PP_2876 | Q88IX3 | 1 |
| Beta-lactamase (EC 3.5.2.6) | blaTEM | B5THT3 | 1 |
| Beta-lactamase (EC 3.5.2.6) | bla(ampC) | Q5UCE5 | 1 |
| Beta-lactamase (EC 3.5.2.6) | ampC SSON_4336 | Q3YUI8 | 1 |
| Beta-lactamase (EC 3.5.2.6) | blaR1_1 SAMEA3374989_01677 SAMEA3375059_01557 | A0A160YKM3 | 1 |
| Beta-lactamase (EC 3.5.2.6) | Smlt3722 | B2FRP5 | 1 |
| Beta-lactamase (EC 3.5.2.6) | FTT_0611c | Q5NH60 | 1 |
| Beta-lactamase (EC 3.5.2.6) | blaA FTT_0681c | Q5NGZ5 | 1 |
| Beta-lactamase OXA-88 | blaOXA-88 | Q27K43 | 1 |
| Beta-lactamase-like protein | NSU_3853 | G6EHN2 | 1 |
| Beta-methylgalactoside transporter inner membrane component | mglC VSAK1_10733 | A6D1Z4 | 1 |
| Beta-N-acetyl-hexosaminidase (EC 3.2.1.52) | strH spr0057 | Q8DRL6 | 1 |
| Beta-N-acetylglucosaminidase (EC 3.2.1.96) | lytD SAMEA3374989_02376 SAMEA3375004_00205 SAMEA3375059_02438 | A0A160Y0X1 | 1 |
| Beta-subunit of electron transfer flavoprotein | etfB1 CD630_04000 | Q188I4 | 1 |
| Beta-xylanase (EC 3.2.1.8) | FSU_2292 | Q9F4L0 | 1 |
| Beta-xylanase (EC 3.2.1.8) | xynE FSU_2293 | Q9F108 | 1 |
| Beta2 toxin | cpb2 | Q5MQ78 | 1 |
| Bhp-like protein | FSU_2680 | D9S678 | 1 |
| BifA | bifA PA4367 | Q9HW35 | 1 |
| Bifunctional (p)ppGpp synthase/hydrolase SpoT [Includes: GTP pyrophosphokinase (EC 2.7.6.5) ((p)ppGpp synthase) (ATP:GTP 3'-pyrophosphotransferase) (Stringent response-like protein) (ppGpp synthase II); Guanosine-3',5'-bis(diphosphate) 3'-pyrophosphohydrolase (EC 3.1.7.2) (Penta-phosphate guanosine-3'-pyrophosphohydrolase) ((ppGpp)ase)] | spoT b3650 JW3625 | P0AG24 | 1 |
| Bifunctional aspartate kinase II/homoserine dehydrogenase II (EC 2.7.2.4) | metL VSAK1_09468 | A6D0D4 | 1 |
| Bifunctional autolysin [Includes: N-acetylmuramoyl-L-alanine amidase (EC 3.5.1.28); Mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase (EC 3.2.1.96)] | atl nag MW0936 | Q8NX96 | 1 |
| Bifunctional autolysin [Includes: N-acetylmuramoyl-L-alanine amidase (EC 3.5.1.28); Mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase (EC 3.2.1.96)] | atl nag SAOUHSC_00994 | Q2FZK7 | 1 |
| Bifunctional DNA-directed RNA polymerase subunit beta-beta' (EC 2.7.7.6) [Includes: DNA-directed RNA polymerase subunit beta (RNA polymerase subunit beta) (Transcriptase subunit beta); DNA-directed RNA polymerase subunit beta' (RNA polymerase subunit beta') (Transcriptase subunit beta')] | rpoBC jhp_1121 | Q9ZK23 | 1 |
| Bifunctional enzyme IspD/IspF [Includes: 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase (EC 2.7.7.60) (4-diphosphocytidyl-2C-methyl-D-erythritol synthase) (MEP cytidylyltransferase) (MCT); 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase (MECDP-synthase) (MECPP-synthase) (MECPS) (EC 4.6.1.12)] | ispDF Cj1607 | Q9PM68 | 1 |
| Bifunctional folate synthesis protein [Includes: Dihydroneopterin aldolase (DHNA) (EC 4.1.2.25) (7,8-dihydroneopterin aldolase); 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (EC 2.7.6.3) (6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase) (PPPK) (7,8-dihydro-6-hydroxymethylpterin pyrophosphokinase) (HPPK)] | sulD spr0269 | P59657 | 1 |
| Bifunctional glutamine synthetase adenylyltransferase/adenylyl-removing enzyme (ATP:glutamine synthetase adenylyltransferase) (ATase) [Includes: Glutamine synthetase adenylyl transferase (EC 2.7.7.42) (Adenylyl transferase) (AT) (AT-C); Glutamine synthetase adenylyl-L-tyrosine phosphorylase (EC 2.7.7.89) (Adenylyl removase) (AR) (AT-N)] | glnE VSAK1_04755 | A6D6B4 | 1 |
| Bifunctional ligase/repressor BirA (Biotin--[acetyl-CoA-carboxylase] ligase) (EC 6.3.4.15) (Biotin--protein ligase) (Biotin-[acetyl-CoA carboxylase] synthetase) | birA lhv_1921 | A8YXQ9 | 1 |
| Bifunctional ligase/repressor BirA (Biotin--[acetyl-CoA-carboxylase] ligase) (EC 6.3.4.15) (Biotin--protein ligase) (Biotin-[acetyl-CoA carboxylase] synthetase) | birA SPy_1362 | Q99Z75 | 1 |
| Bifunctional polymyxin resistance protein ArnA [Includes: UDP-4-amino-4-deoxy-L-arabinose formyltransferase (EC 2.1.2.13) (ArnAFT) (UDP-L-Ara4N formyltransferase); UDP-glucuronic acid oxidase, UDP-4-keto-hexauronic acid decarboxylating (EC 1.1.1.305) (ArnADH) (UDP-GlcUA decarboxylase) (UDP-glucuronic acid dehydrogenase)] | arnA PA3554 | Q9HY63 | 1 |
| Bifunctional polymyxin resistance protein ArnA [Includes: UDP-4-amino-4-deoxy-L-arabinose formyltransferase (EC 2.1.2.13) (ArnAFT) (UDP-L-Ara4N formyltransferase); UDP-glucuronic acid oxidase, UDP-4-keto-hexauronic acid decarboxylating (EC 1.1.1.305) (ArnADH) (UDP-GlcUA decarboxylase) (UDP-glucuronic acid dehydrogenase)] | arnA YPO2420 y1919 YP_2207 | Q8ZDX8 | 1 |
| Bifunctional polymyxin resistance protein ArnA [Includes: UDP-glucuronic acid oxidase, UDP-4-keto-hexauronic acid decarboxylating (EC 1.1.1.305) (UDP-GlcUA decarboxylase) (ArnADH) (UDP-glucuronic acid dehydrogenase); UDP-4-amino-4-deoxy-L-arabinose formyltransferase (EC 2.1.2.13) (ArnAFT) (UDP-L-Ara4N formyltransferase)] | arnA B195_16754 | M5QSH2 | 1 |
| Bifunctional proline dehydrogenase, pyrroline-5-carboxylate dehydrogenase | Fphi_1907 | B0U1B2 | 1 |
| Bifunctional protein FolD 2 [Includes: Methylenetetrahydrofolate dehydrogenase (EC 1.5.1.5); Methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)] | folD2 folD-2 PP_2265 | Q88KM5 | 1 |
| Bifunctional protein FolD [Includes: Methylenetetrahydrofolate dehydrogenase (EC 1.5.1.5); Methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)] | folD lmo1360 | Q8Y7C5 | 1 |
| Bifunctional protein FolD [Includes: Methylenetetrahydrofolate dehydrogenase (EC 1.5.1.5); Methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)] | folD SPy_1502 M5005_Spy1234 | Q99YX2 | 1 |
| Bifunctional protein FolD [Includes: Methylenetetrahydrofolate dehydrogenase (EC 1.5.1.5); Methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)] | folD SAOUHSC_01007 | Q2FZJ6 | 1 |
| Bifunctional protein GlmU [Includes: UDP-N-acetylglucosamine pyrophosphorylase (EC 2.7.7.23) (N-acetylglucosamine-1-phosphate uridyltransferase); Glucosamine-1-phosphate N-acetyltransferase (EC 2.3.1.157)] | glmU FTN_0484 | A0Q565 | 1 |
| Bifunctional protein GlmU [Includes: UDP-N-acetylglucosamine pyrophosphorylase (EC 2.7.7.23) (N-acetylglucosamine-1-phosphate uridyltransferase); Glucosamine-1-phosphate N-acetyltransferase (EC 2.3.1.157)] | glmU SPy_0443 M5005_Spy0362 | Q9A163 | 1 |
| Bifunctional protein HldE [Includes: D-beta-D-heptose 7-phosphate kinase (EC 2.7.1.167) (D-beta-D-heptose 7-phosphotransferase) (D-glycero-beta-D-manno-heptose-7-phosphate kinase); D-beta-D-heptose 1-phosphate adenylyltransferase (EC 2.7.7.70) (D-glycero-beta-D-manno-heptose 1-phosphate adenylyltransferase)] | hldE rfaE waaE yqiF b3052 JW3024 | P76658 | 1 |
| Bifunctional protein PutA | putA jhp_0048 | Q9ZN12 | 1 |
| Bifunctional protein PutA | putA B195_02818 | M5R3E9 | 1 |
| Bifunctional protein PutA | poaA YPO1851 | Q0WFU3 | 1 |
| Bifunctional protein PutA | NGK_1846 | B4RQE9 | 1 |
| Bifunctional protein PutA | putA KPR_3482 | R4YBC6 | 1 |
| Bifunctional protein PutA | HPSD74_2030 | U4S8U2 | 1 |
| Bifunctional protein PutA | OOM_1728 | I2B0Y9 | 1 |
| Bifunctional protein PutA [Includes: Proline dehydrogenase (EC 1.5.5.2) (Proline oxidase); Delta-1-pyrroline-5-carboxylate dehydrogenase (P5C dehydrogenase) (EC 1.2.1.88) (L-glutamate gamma-semialdehyde dehydrogenase)] | putA FTT_1150c | Q5NFS5 | 1 |
| Bifunctional protein PyrR [Includes: Pyrimidine operon regulatory protein; Uracil phosphoribosyltransferase (UPRTase) (EC 2.4.2.9)] | pyrR SPy_0830 M5005_Spy0639 | Q9A0D0 | 1 |
| Bifunctional protein: 3-hydroxacyl-CoA dehydrogenase/acyl-CoA-binding protein | Fphi_1237 | B0TXK4 | 1 |
| Bifunctional protein: 3-hydroxacyl-CoA dehydrogenase/acyl-CoA-binding protein | FTN_1438 | A0Q7U1 | 1 |
| Bifunctional protein: glutaredoxin 3 /ribonucleotide reductase beta subunit | FTN_0983 | A0Q6K6 | 1 |
| Bifunctional purine biosynthesis protein PurH [Includes: IMP cyclohydrolase (EC 3.5.4.10) (IMP synthase) (ATIC) (Inosinicase); Phosphoribosylaminoimidazolecarboxamide formyltransferase (EC 2.1.2.3) (AICAR transformylase)] | purH Fphi_0648 | B0TVV9 | 1 |
| Bifunctional purine biosynthesis protein PurH [Includes: IMP cyclohydrolase (EC 3.5.4.10) (IMP synthase) (ATIC) (Inosinicase); Phosphoribosylaminoimidazolecarboxamide formyltransferase (EC 2.1.2.3) (AICAR transformylase)] | purH FTN_0177 | A0Q4C2 | 1 |
| Bifunctional purine biosynthesis protein PurH [Includes: Phosphoribosylaminoimidazolecarboxamide formyltransferase (EC 2.1.2.3) (AICAR transformylase); IMP cyclohydrolase (EC 3.5.4.10) (ATIC) (IMP synthase) (Inosinicase)] | purH NMB0983 | Q9JZM7 | 1 |
| Bifunctional riboflavin kinase/FMN adenylyltransferase (EC 2.7.1.26) | HPSD74_2222 | U4S9X6 | 1 |
| Bifunctional uridylyltransferase/uridylyl-removing enzyme (UTase/UR) (Bifunctional [protein-PII] modification enzyme) (Bifunctional nitrogen sensor protein) [Includes: [Protein-PII] uridylyltransferase (PII uridylyltransferase) (UTase) (EC 2.7.7.59); [Protein-PII]-UMP uridylyl-removing enzyme (UR) (EC 3.1.4.-)] | glnD VSAK1_11785 | A6D2T3 | 1 |
| Biofilm PGA synthesis lipoprotein PgaB | SC1083_1291 | G4A8Y5 | 1 |
| Biofilm PGA synthesis protein PgaA | SC1083_1292 | G4A8Y6 | 1 |
| Biopolymer transport protein | OOM_0336 | I2AXI3 | 1 |
| Biopolymer transport protein ExbB-related protein | VSAK1_26755 | A6D8W8 | 1 |
| Biopolymer transport protein TolQ | B195_07285 | M5QKY8 | 1 |
| Biosynthetic arginine decarboxylase (ADC) (EC 4.1.1.19) | speA NMB0468 | Q9K0U3 | 1 |
| Biosynthetic arginine decarboxylase (ADC) (EC 4.1.1.19) | speA YPO0929 y3313 YP_3513 | Q8ZHG8 | 1 |
| Biosynthetic arginine decarboxylase (ADC) (EC 4.1.1.19) | speA PA4839 | Q9HUX1 | 1 |
| Biosynthetic arginine decarboxylase (ADC) (EC 4.1.1.19) | speA b2938 JW2905 | P21170 | 1 |
| Biosynthetic arginine decarboxylase (ADC) (EC 4.1.1.19) | speA SSON_3092 | Q3YXT3 | 1 |