| Chaperone SurA (Peptidyl-prolyl cis-trans isomerase SurA) (PPIase SurA) (EC 5.2.1.8) (Rotamase SurA) | surA SF0050 S0052 | P0ABZ9 | 1 |
| Chaperone SurA (Peptidyl-prolyl cis-trans isomerase SurA) (PPIase SurA) (EC 5.2.1.8) (Rotamase SurA) | surA ABSDF1713 | B0VMX6 | 1 |
| Chaperone SurA (Peptidyl-prolyl cis-trans isomerase SurA) (PPIase SurA) (EC 5.2.1.8) (Rotamase SurA) | surA J804_2789 | A0A014CU90 | 1 |
| Chaperone SurA (Peptidyl-prolyl cis-trans isomerase SurA) (PPIase SurA) (EC 5.2.1.8) (Rotamase SurA) | surA SCH_0087 | Q57TG8 | 1 |
| Chemotactic transducer for trichloroethylene [positive chemotaxis], CttP | cttP PA0180 | Q9I6V2 | 1 |
| Chemotaxis CheV | VSAK1_02924 | A6CX77 | 1 |
| Chemotaxis protein | cheW Cj0283c | Q0PBM3 | 1 |
| Chemotaxis protein | PJ16_01170 | A0A0B6V4N0 | 1 |
| Chemotaxis protein CheV | VSAK1_26845 | A6D7W7 | 1 |
| Chemotaxis protein CheY | cheY PA1456 | Q51455 | 1 |
| Chemotaxis protein CheY homolog | cheY Cj1118c | P0C635 | 1 |
| Chemotaxis protein histidine kinase CheA | VSAK1_03144 | A6CXC1 | 1 |
| Chemotaxis protein MotA | motA PA4954 | Q9HUL1 | 1 |
| Chemotaxis protein MotB | motB PA4953 | Q9HUL2 | 1 |
| Chemotaxis response regulator protein-glutamate methylesterase (EC 3.1.1.61) | cheB VSAK1_03149 | A6CXC2 | 1 |
| Chitin binding protein | FTT_0816c | Q5NGL9 | 1 |
| Chitin-binding protein | cbpA FTN_1485 | A0Q7Y7 | 1 |
| Chitinase | chiB FTN_1744 | A0Q8N1 | 1 |
| Chitinase | chiC PA2300 | Q9I1H5 | 1 |
| Chitinase (EC 3.2.1.14) (Putative chitinase) | FSU_2012 | A7UG63 | 1 |
| Chitinase family 18 protein (EC 3.2.1.-) | FTT_0715 | Q5NGW2 | 1 |
| Chloramphenicol acetyltransferase | B195_18096 | M5QDY1 | 1 |
| Chloramphenicol acetyltransferase (CAT) (EC 2.3.1.28) | catP | P26826 | 1 |
| Cholera enterotoxin subunit B (Cholera enterotoxin B chain) (Cholera enterotoxin gamma chain) (Choleragenoid) | ctxB toxB VC_1456 | P01556 | 1 |
| Choline / betaine / carnitine ABC transporter-substrate binding protein BetX (EC 3.6.3.32) | betX PP_1741 | Q88M34 | 1 |
| Choline dehydrogenase | B195_00985 | M5QQY5 | 1 |
| Choline kinase | pck spr1147 | Q8DPI4 | 1 |
| Choloylglycine hydrolase | B195_21665 | M5QE76 | 1 |
| Choloylglycine hydrolase | VSAK1_26010 | A6D0Z2 | 1 |
| Choloylglycine hydrolase family protein | FTN_1252 | A0Q7B8 | 1 |
| Choloylglycine hydrolase family protein (EC 3.5.1.-) | FTT_1109 | Q5NFV9 | 1 |
| Choloylglycine hydrolase family protein (EC 3.5.1.-) | FTT_1234 | Q5NFK0 | 1 |
| Chorismate mutase (EC 5.4.99.5) | FTT_1650c | Q5NEI4 | 1 |
| Chorismate synthase (CS) (EC 4.2.3.5) (5-enolpyruvylshikimate-3-phosphate phospholyase) | aroC Fphi_0436 | B0U025 | 1 |
| Chorismate synthase (CS) (EC 4.2.3.5) (5-enolpyruvylshikimate-3-phosphate phospholyase) | aroC FTN_0402 | A0Q4Z0 | 1 |
| Chorismate synthase (CS) (EC 4.2.3.5) (5-enolpyruvylshikimate-3-phosphate phospholyase) | aroC VSAK1_03274 | A6CXE7 | 1 |
| Chorismate synthase (CS) (EC 4.2.3.5) (5-enolpyruvylshikimate-3-phosphate phospholyase) | aroC aroF SPy_0810 M5005_Spy0625 | Q9A0E4 | 1 |
| Chromosomal replication initiator protein DnaA | dnaA FTN_0001 | A0Q3U7 | 1 |
| Chromosomal replication initiator protein DnaA | dnaA SPy_0002 M5005_Spy0001 | P0A3A4 | 1 |
| Chromosomal replication initiator protein DnaA | dnaA OOM_0001 | I2AWN1 | 1 |
| Chromosome partition protein MukB (Structural maintenance of chromosome-related protein) | mukB b0924 JW0907 | P22523 | 1 |
| Chromosome partition protein MukB (Structural maintenance of chromosome-related protein) | mukB KPR_3627 | R4YCA4 | 1 |
| Chromosome partition protein MukE | mukE VSAK1_04097 | A6D7K4 | 1 |
| Chromosome partition protein Smc | smc SP70585_1309 | C1C7M5 | 1 |
| Chromosome partition protein Smc | smc SPCG_1056 | B2IPN6 | 1 |
| Chromosome partition protein Smc | smc spr1126 | Q8DPJ9 | 1 |
| Chromosome partitioning protein ParA | parA KW89_28 | A0A0K2DT07 | 1 |
| Chromosome partitioning protein ParB | parB KW89_27 | A0A0K2DT48 | 1 |
| Chromosome partitioning protein Soj | soj PA5563 | Q9HT11 | 1 |
| Citrate lyase acyl carrier protein (Citrate lyase gamma chain) | citD SPy_1186 M5005_Spy0905 | Q99ZK9 | 1 |
| Citrate lyase alpha chain (Citrase alpha chain) (EC 2.8.3.10) (EC 4.1.3.6) (Citrate (pro-3S)-lyase alpha chain) (Citrate CoA-transferase subunit) | citF SPy_1189 | Q99ZK7 | 1 |
| Citrate lyase subunit beta-like protein (EC 4.1.-.-) | citE Rv2498c | P9WPE1 | 1 |
| Citrate synthase | Fphi_0968 | B0TWT3 | 1 |
| Citrate synthase | gltA FTN_1640 | A0Q8D3 | 1 |
| Citrate synthase | gltA Cj1682c | Q0P7U8 | 1 |
| Citrate synthase | gltA B195_20275 | M5QEL1 | 1 |
| Citrate synthase | B195_10156 | M5QUC5 | 1 |
| Citrate synthase | gltA PP_4194 | Q88FA4 | 1 |
| Citrate synthase | gltA YPO1108 | Q7CH41 | 1 |
| Citrate synthase | gltA S0590 SF0577 AJR25_003700 AJR27_005200 | A0A0H2VVH0 | 1 |
| Citrate synthase | VSAK1_25715 | A6D2Q5 | 1 |
| Citrate synthase | prpC Smlt3609 | B2FQH7 | 1 |
| Citrate synthase | ECs0745 | A0A0H3JCM9 | 1 |
| Citrate synthase | gltA SCH_0736 | Q57RL9 | 1 |
| Citrate synthase | gltA FTT_0071c | Q5NIJ6 | 1 |
| Citrate synthase (EC 2.3.3.16) | gltA jhp_0022 | Q9ZN37 | 1 |
| Citrate synthase (EC 2.3.3.16) | gltA gluT icdB b0720 JW0710 | P0ABH7 | 1 |
| Citrate synthase 1 (EC 2.3.3.16) | gltA2 gltA Rv0896 MTCY31.24 | P9WPD5 | 1 |
| Citrate-dependent iron transport, periplasmic protein | fecB SSON_4462 | Q3YU73 | 1 |
| Class B acid phosphatase (EC 3.1.3.2) | HPSD74_1865 | U4SAK3 | 1 |
| Class B acid phosphatase (EC 3.1.3.2) | KW89_2601 | A0A0K2E0H6 | 1 |
| Class I outer membrane protein (PorA) | porA | Q7BMY6 | 1 |
| Class one outer membrane protein (Fragment) | porA | Q05520 | 1 |
| Class one outer membrane protein (Fragment) | porA | Q99117 | 1 |
| ClpXP protease specificity-enhancing factor (Fragment) | VSAK1_04855 | A6D9I4 | 1 |
| CNP1-like family protein | NMH_2293 | E6N0H7 | 1 |
| Co-chaperone HscB | HPSD74_0969 | U4SKL9 | 1 |
| Co-chaperone protein DjlA | djlA HPSD74_0021 | U4SM59 | 1 |
| Co-chaperone protein DjlA | djlA VSAK1_07724 | A6D799 | 1 |
| Co/Zn/Cd cation transporter | OOM_1404 | I2B060 | 1 |
| Coat protein | SCH_0357 | Q57SP8 | 1 |
| Coat protein B of bacteriophage Pf1 (Phage coat protein B) | coaB PA0723 PA4673.7 | Q9I5K5 | 1 |
| Cob(I)yrinic acid a,c-diamide adenosyltransferase (EC 2.5.1.17) | VSAK1_03474 | A6CXI7 | 1 |
| CobQ/CobB/MinD/ParA nucleotide-binding domain protein | KW89_1p36 | A0A0K2E1Y3 | 1 |
| Cobyric acid synthase | cobQ PA1277 | Q9I467 | 1 |
| Cobyrinic acid a,c-diamide synthase | cbiA PG_1163 | Q7MVB3 | 1 |
| Cobyrinic acid ac-diamide synthase | ETAE_2748 | D0ZD19 | 1 |
| Coenzyme A biosynthesis bifunctional protein CoaBC (EC 4.1.1.36) (EC 6.3.2.5) (DNA/pantothenate metabolism flavoprotein) | SAOUHSC_01178 | Q2G268 | 1 |
| Coenzyme A biosynthesis bifunctional protein CoaBC (EC 4.1.1.36) (EC 6.3.2.5) (DNA/pantothenate metabolism flavoprotein) | dfp FTT_1147c | Q5NFS8 | 1 |
| Coenzyme PQQ synthesis protein D (Pyrroloquinoline quinone biosynthesis protein D) | pqqD PA1988 | Q9I2C1 | 1 |
| Cold shock protein | cspC YPO1746 | Q74V47 | 1 |
| Cold shock protein CspB (Major cold shock protein) | cspB cspA BSU09100 | P32081 | 1 |
| Cold shock protein CspD | cspD BSU21930 | P51777 | 1 |
| Cold-shock protein | PP_1209 | Q88NJ8 | 1 |
| Collagen-like surface protei | scl SPy_1983 | Q7DAL3 | 1 |
| ComB2 protein | comB2 | Q9ZEK9 | 1 |
| ComEA protein (Fragment) | comEA | Q9XAZ4 | 1 |
| Competence protein | celB spr0857 | Q8DQ40 | 1 |
| Competence protein | cglB spr1863 | Q8DN87 | 1 |
| Component of chemotactic signal transduction system | chpA PA0413 | Q9I696 | 1 |