| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P10378 | Enterobactin synthase component E; EC 6.3.2.14; 2,3-dihydroxybenzoate-AMP ligase; DHB-AMP ligase; 2,3-dihydroxybenzoate-AMP synthase; EC 2.7.7.58; Dihydroxybenzoic acid-activating enzyme; Enterochelin synthase E; S-dihydroxybenzoyltransferase; EC 2.5.1.-;盽 | entE; b0594 JW0586; | NP_415126.1;YP_488883.1; | 536 | escherichia-coli |
| P0A8Y8 | Proofreading thioesterase EntH; EC 3.1.2.-; Enterobactin synthase component H; p15; | entH; ybdB; b0597 JW0589; | NP_415129.1;YP_488886.1; | 137 | escherichia-coli |
| P24077 | Enterobactin exporter EntS; Protein p43; | entS; ybdA; b0591 JW0583; | NP_415123.1;YP_488880.1; | 416 | escherichia-coli |
| P37690 | Murein hydrolase activator EnvC; Septal ring factor; | envC; yibP; b3613 JW5646; | NP_418070.6;YP_491820.1; | 419 | escherichia-coli |
| P0AEJ4 | Osmolarity sensor protein EnvZ; EC 2.7.13.3; | envZ; ompB perA tpo; b3404 JW3367; | NP_417863.1;YP_492028.1; | 450 | escherichia-coli |
| P0ACT2 | Probable acrEF/envCD operon repressor; | envR; yhdK; b3264 JW3232; | NP_417730.1;YP_491446.1; | 220 | escherichia-coli |
| P10805 | Porin thermoregulatory protein EnvY; | envY; b0566 JW0555; | NP_415098.1;YP_488853.1; | 253 | escherichia-coli |
| P0A8N7 | Elongation factor P--(R)-beta-lysine ligase; EF-P--(R)-beta-lysine ligase; EC 6.3.1.-; EF-P post-translational modification enzyme A; EF-P-lysine lysyltransferase; GX; | epmA; genX poxA yjeA; b4155 JW4116; | NP_418579.2;YP_492300.1; | 325 | escherichia-coli |
| P39280 | L-lysine 2,3-aminomutase; LAM; EC 5.4.3.-; EF-P post-translational modification enzyme B; | epmB; yjeK; b4146 JW4106; | NP_418570.1;YP_492289.1; | 342 | escherichia-coli |
| P76938 | Elongation factor P hydroxylase; EF-P hydroxylase; EC 1.14.-.-; EF-P post-translational modification enzyme C; | epmC; yfcM; b2326 JW5381; | NP_416829.1;YP_490568.1; | 182 | escherichia-coli |
| P37661 | Phosphoethanolamine transferase EptB; EC 2.7.-.-; | eptB; yhjW; b3546 JW5660; | NP_418002.2;YP_491890.1; | 563 | escherichia-coli |
| P0CB39 | Phosphoethanolamine transferase EptC; EC 2.7.-.-; | eptC; cptA yijP; b3955 JW3927; | NP_418390.1;YP_491497.1; | 577 | escherichia-coli |
| P30845 | Phosphoethanolamine transferase EptA; EC 2.7.-.-; Polymyxin resistance protein PmrC; | eptA; pmrC yjdB; b4114 JW5730; | NP_418538.2;YP_492257.1; | 547 | escherichia-coli |
| P06616 | GTPase Era; ERA; GTP-binding protein Era; | era; rbaA sdgE; b2566 JW2550; | NP_417061.1;YP_490794.1; | 301 | escherichia-coli |
| P39176 | Probable L,D-transpeptidase ErfK/SrfK; EC 2.-.-.-; | erfK; yeeG yzzT; b1990 JW1968; | NP_416494.1;YP_490233.1; | 310 | escherichia-coli |
| P0ACC3 | Iron-sulfur cluster insertion protein ErpA; | erpA; yadR; b0156 JW0152; | NP_414698.1;YP_488459.1; | 114 | escherichia-coli |
| P0A9R2 | Lysis protein S homolog from lambdoid prophage DLP12; | essD; ybcR; b0554 JW0543; | NP_415086.1;YP_488841.1; | 71 | escherichia-coli |
| P77237 | Lysis protein S homolog from lambdoid prophage Qin; | essQ; ydfS; b1556 JW5255; | NP_416074.4;YP_489820.1; | 71 | escherichia-coli |
| P0ACZ2 | Low molecular weight protein-tyrosine-phosphatase Etp; EC 3.1.3.48; | etp; yccY; b0982 JW5132; | NP_415502.4;YP_489253.1; | 148 | escherichia-coli |
| P38134 | Tyrosine-protein kinase etk; EC 2.7.10.-; | etk; yccC; b0981 JW0964; | NP_415501.1;YP_489252.1; | 726 | escherichia-coli |
