| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0A6A6 | 3-isopropylmalate dehydratase large subunit; EC 4.2.1.33; Alpha-IPM isomerase; IPMI; Isopropylmalate isomerase; | leuC; b0072 JW0071; | NP_414614.1;YP_488378.1; | 466 | escherichia-coli |
| P30126 | 3-isopropylmalate dehydratase small subunit; EC 4.2.1.33; Alpha-IPM isomerase; IPMI; Isopropylmalate isomerase; | leuD; b0071 JW0070; | NP_414613.1;YP_488377.1; | 201 | escherichia-coli |
| P76249 | Leucine efflux protein; | leuE; yeaS; b1798 JW1787; | NP_416312.1;YP_490059.1; | 212 | escherichia-coli |
| P10151 | HTH-type transcriptional regulator LeuO; | leuO; b0076 JW0075; | NP_414618.4;YP_488382.1; | 314 | escherichia-coli |
| P0A7C2 | LexA repressor; EC 3.4.21.88; | lexA; exrA spr tsl umuA; b4043 JW4003; | NP_418467.1;YP_492186.1; | 202 | escherichia-coli |
| Q47153 | Putative truncated flagellar export/assembly protein LfhA; | lfhA; fhiA; b0229 JW5811; | NULL | 579 | escherichia-coli |
| P0A8P1 | Leucyl/phenylalanyl-tRNA--protein transferase; EC 2.3.2.6; L/F-transferase; Leucyltransferase; Phenyalanyltransferase; | aat; ycaA; b0885 JW0868; | NP_415405.1;YP_489157.1; | 234 | escherichia-coli |
| P39400 | L-galactonate-5-dehydrogenase; EC 1.1.1.-; | lgoD; yjjN; b4358 JW5793; | NP_418778.4;YP_492489.1; | 340 | escherichia-coli |
| P39398 | Probable L-galactonate transporter; Galactonate:H(+) symporter; | lgoT; yjiZ yjjL; b4356 JW4319; | NP_418776.1;YP_492487.1; | 453 | escherichia-coli |
| P39399 | Probable HTH-type transcriptional regulator LgoR; | lgoR; yjjM; b4357 JW5792; | YP_026290.1;YP_492488.1; | 304 | escherichia-coli |
| P60955 | Prolipoprotein diacylglyceryl transferase; EC 2.4.99.-; | lgt; umpA; b2828 JW2796; | NP_417305.1;YP_491033.1; | 291 | escherichia-coli |
| P0AC81 | Lactoylglutathione lyase; EC 4.4.1.5; Aldoketomutase; Glyoxalase I; Glx I; Ketone-aldehyde mutase; Methylglyoxalase; S-D-lactoylglutathione methylglyoxal lyase; | gloA; b1651 JW1643; | NP_416168.1;YP_489915.1; | 135 | escherichia-coli |
| P37339 | L-2-hydroxyglutarate oxidase LhgO; EC 1.1.3.15; | lhgO; ygaF; b2660 JW2635; | NP_417146.2;YP_490875.1; | 422 | escherichia-coli |
| P30015 | Probable ATP-dependent helicase lhr; EC 3.6.4.-; Large helicase-related protein; | lhr; rhlF; b1653 JW1645; | NP_416170.1;YP_489917.1; | 1538 | escherichia-coli |
| P25772 | DNA ligase B; EC 6.5.1.2; Polydeoxyribonucleotide synthase [NAD(+)] B; | ligB; yicF; b3647 JW3622; | NP_418104.2;YP_491787.1; | 560 | escherichia-coli |
| P60716 | Lipoyl synthase; EC 2.8.1.8; Lip-syn; LS; Lipoate synthase; Lipoic acid synthase; Sulfur insertion protein LipA; | lipA; lip; b0628 JW0623; | NP_415161.1;YP_488919.1; | 321 | escherichia-coli |
| P60720 | Octanoyltransferase; EC 2.3.1.181; Lipoate-protein ligase B; Lipoyl/octanoyl transferase; Octanoyl-[acyl-carrier-protein]-protein N-octanoyltransferase; | lipB; b0630 JW5089; | NP_415163.2;YP_488921.1; | 213 | escherichia-coli |
| P11072 | Bacteriophage T4 late gene expression-blocking protein; GpLit; | lit; b1139 JW1125; | NP_415657.1;YP_489407.1; | 297 | escherichia-coli |
| P22731 | High-affinity branched-chain amino acid transport ATP-binding protein LivF; LIV-I protein F; | livF; b3454 JW3419; | NP_417911.4;YP_491980.1; | 237 | escherichia-coli |
| P0A9S7 | High-affinity branched-chain amino acid transport ATP-binding protein LivG; LIV-I protein G; | livG; b3455 JW3420; | NP_417912.1;YP_491979.1; | 255 | escherichia-coli |
