| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P63183 | Low affinity potassium transport system protein kup; Kup system potassium uptake protein; | kup; trkD; b3747 JW5609; | YP_026244.1;YP_491682.1; | 622 | escherichia-coli |
| P03023 | Lactose operon repressor; | lacI; b0345 JW0336; | NP_414879.3;YP_488639.1; | 360 | escherichia-coli |
| P02920 | Lactose permease; Lactose-proton symport; | lacY; b0343 JW0334; | NP_414877.1;YP_488637.1; | 417 | escherichia-coli |
| Q47154 | Putative truncated flagellar export/assembly protein LafU; | lafU; mbhA; b0230 JW5812; | NULL | 211 | escherichia-coli |
| P02943 | Maltoporin; Lambda receptor protein; Maltose-inducible porin; | lamB; malB; b4036 JW3996; | NP_418460.1;YP_492179.1; | 446 | escherichia-coli |
| P0ACV4 | Lipopolysaccharide assembly protein A; | lapA; yciS; b1279 JW1271; | NP_415795.1;YP_489547.1; | 102 | escherichia-coli |
| P0AB58 | Lipopolysaccharide assembly protein B; Lipopolysaccharide regulatory protein; | lapB; yciM; b1280 JW1272; | NP_415796.1;YP_489548.1; | 389 | escherichia-coli |
| P37005 | Uncharacterized tRNA/rRNA methyltransferase LasT; EC 2.1.1.-; | lasT; yjtD; b4403 JW4366; | NP_418820.1;YP_492533.1; | 228 | escherichia-coli |
| P69451 | Long-chain-fatty-acid--CoA ligase; EC 6.2.1.3; Long-chain acyl-CoA synthetase; Acyl-CoA synthetase; | fadD; oldD; b1805 JW1794; | NP_416319.1;YP_490066.1; | 561 | escherichia-coli |
| P76008 | Murein tetrapeptide carboxypeptidase; EC 3.4.17.13; LD-carboxypeptidase A; Muramoyltetrapeptide carboxypeptidase; | ldcA; ycgQ; b1192 JW1181; | NP_415710.1;YP_489459.1; | 304 | escherichia-coli |
| P0A9H3 | Lysine decarboxylase, inducible; LDC; EC 4.1.1.18; | cadA; ldcI; b4131 JW4092; | NP_418555.1;YP_492275.1; | 715 | escherichia-coli |
| P52643 | D-lactate dehydrogenase; D-LDH; EC 1.1.1.28; Fermentative lactate dehydrogenase; | ldhA; hslI htpH; b1380 JW1375; | NP_415898.1;YP_489649.1; | 329 | escherichia-coli |
| Q6BF25 | Small toxic polypeptide LdrD; | ldrD; b4453 JW5966; | YP_026227.1;YP_491897.1; | 35 | escherichia-coli |
| Q6BF86 | Small toxic polypeptide LdrA/LdrC; | ldrA; ldrC; b4419 JW5957 b4423 JW5959; | YP_025297.1;YP_025299.1;YP_489483.1;YP_489485.1; | 35 | escherichia-coli |
| Q6BF87 | Small toxic polypeptide LdrB; | ldrB; b4421 JW5958; | YP_025298.1;YP_489484.1; | 35 | escherichia-coli |
| P25960 | Type 4 prepilin-like proteins leader peptide-processing enzyme; EC 2.1.1.-; Prepilin peptidase; EC 3.4.23.43; | gspO; hofD hopD hopO yheC; b3335 JW3297; | NP_417794.1;YP_492097.1; | 225 | escherichia-coli |
| P60785 | Elongation factor 4; EF-4; EC 3.6.5.n1; Ribosomal back-translocase LepA; | lepA; b2569 JW2553; | NP_417064.1;YP_490797.1; | 599 | escherichia-coli |
| P00803 | Signal peptidase I; SPase I; EC 3.4.21.89; Leader peptidase I; | lepB; b2568 JW2552; | NP_417063.1;YP_490796.1; | 324 | escherichia-coli |
| P09151 | 2-isopropylmalate synthase; EC 2.3.3.13; Alpha-IPM synthase; Alpha-isopropylmalate synthase; | leuA; b0074 JW0073; | NP_414616.1;YP_488380.1; | 523 | escherichia-coli |
| P30125 | 3-isopropylmalate dehydrogenase; EC 1.1.1.85; 3-IPM-DH; Beta-IPM dehydrogenase; IMDH; | leuB; b0073 JW5807; | NP_414615.4;YP_488379.1; | 363 | escherichia-coli |
