| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0AEY3 | Nucleoside triphosphate pyrophosphohydrolase; NTP-PPase; EC 3.6.1.8; | mazG; b2781 JW2752; | NP_417261.1;YP_490989.1; | 263 | escherichia-coli |
| P0ACD8 | Hydrogenase-1 large chain; HYD1; EC 1.12.99.6; Membrane-bound hydrogenase 1 large subunit; NiFe hydrogenase; | hyaB; b0973 JW0955; | NP_415492.1;YP_489244.1; | 597 | escherichia-coli |
| P0ACE0 | Hydrogenase-2 large chain; HYD2; EC 1.12.99.6; Membrane-bound hydrogenase 2 large subunit; NiFe hydrogenase; | hybC; b2994 JW2962; | NP_417468.1;YP_491191.1; | 567 | escherichia-coli |
| P69739 | Hydrogenase-1 small chain; HYD1; EC 1.12.99.6; Membrane-bound hydrogenase 1 small subunit; NiFe hydrogenase; | hyaA; b0972 JW0954; | NP_415491.1;YP_489243.1; | 372 | escherichia-coli |
| P69741 | Hydrogenase-2 small chain; HYD2; EC 1.12.99.6; Membrane-bound hydrogenase 2 small subunit; NiFe hydrogenase; | hybO; yghV; b2997 JW2965; | NP_417471.1;YP_491194.1; | 372 | escherichia-coli |
| P0AAX6 | Uncharacterized protein McbA; MqsR-controlled colanic acid and biofilm protein A; | mcbA; ybiM; b0806 JW5106; | NP_415327.2;YP_489079.1; | 86 | escherichia-coli |
| P76114 | HTH-type transcriptional regulator McbR; | mcbR; yncC; b1450 JW1445; | NP_415967.2;YP_489715.1; | 221 | escherichia-coli |
| P07017 | Methyl-accepting chemotaxis protein II; MCP-II; Aspartate chemoreceptor protein; | tar; cheM; b1886 JW1875; | NP_416400.1;YP_490148.1; | 553 | escherichia-coli |
| P05704 | Methyl-accepting chemotaxis protein III; MCP-III; Ribose and galactose chemoreceptor protein; | trg; b1421 JW1417; | NP_415938.1;YP_489687.1; | 546 | escherichia-coli |
| P07018 | Methyl-accepting chemotaxis protein IV; MCP-IV; Dipeptide chemoreceptor protein; | tap; b1885 JW1874; | NP_416399.1;YP_490147.1; | 533 | escherichia-coli |
| P02942 | Methyl-accepting chemotaxis protein I; MCP-I; Serine chemoreceptor protein; | tsr; cheD; b4355 JW4318; | NP_418775.1;YP_492486.1; | 551 | escherichia-coli |
| P24200 | 5-methylcytosine-specific restriction enzyme A; EC 3.1.21.-; EcoKMcrA; | mcrA; rglA; b1159 JW1145; | NP_415677.1;YP_489426.1; | 277 | escherichia-coli |
| P15005 | 5-methylcytosine-specific restriction enzyme B; EC 3.1.21.-; EcoKMcrBC; | mcrB; rglB; b4346 JW5871; | NP_418766.4;YP_492477.1; | 459 | escherichia-coli |
| P15006 | Protein McrC; | mcrC; b4345 JW5789; | NP_418765.1;YP_492476.1; | 348 | escherichia-coli |
| P0AEY5 | Modulator of drug activity B; | mdaB; mda66; b3028 JW2996; | NP_417500.1;YP_491220.1; | 193 | escherichia-coli |
| P0AEY8 | Multidrug transporter MdfA; Chloramphenicol resistance pump Cmr; | mdfA; cmlA cmr; b0842 JW0826; | NP_415363.1;YP_489115.1; | 410 | escherichia-coli |
| P61889 | Malate dehydrogenase; EC 1.1.1.37; | mdh; b3236 JW3205; | NP_417703.1;YP_491420.1; | 312 | escherichia-coli |
| P77265 | Multidrug resistance-like ATP-binding protein MdlA; EC 3.6.3.44; | mdlA; mdl; b0448 JW0438; | NP_414982.1;YP_488740.1; | 590 | escherichia-coli |
| P0AAG5 | Multidrug resistance-like ATP-binding protein MdlB; EC 3.6.3.44; | mdlB; mdl; b0449 JW5061; | NP_414983.1;YP_488741.1; | 593 | escherichia-coli |
| P76397 | Multidrug resistance protein MdtA; Multidrug transporter MdtA; | mdtA; yegM; b2074 JW5338; | NP_416578.2;YP_490316.1; | 415 | escherichia-coli |
