| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0AD86 | Thr operon leader peptide; Thr operon attenuator; | thrL; b0001 JW4367; | NP_414542.1;YP_488307.1; | 21 | escherichia-coli |
| P0AD92 | Trp operon leader peptide; | trpL; trpEE; b1265 JW1257; | NP_415781.1; | 14 | escherichia-coli |
| P0AD89 | Tryptophanase leader peptide; | tnaL; tnaC; b3707 JW3685; | NP_418163.1;YP_491727.1; | 24 | escherichia-coli |
| P0A722 | Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase; UDP-N-acetylglucosamine acyltransferase; EC 2.3.1.129; | lpxA; b0181 JW0176; | NP_414723.1;YP_488483.1; | 262 | escherichia-coli |
| P10441 | Lipid-A-disaccharide synthase; EC 2.4.1.182; | lpxB; pgsB; b0182 JW0177; | NP_414724.1;YP_488484.1; | 382 | escherichia-coli |
| P0A725 | UDP-3-O-[3-hydroxymyristoyl] N-acetylglucosamine deacetylase; EC 3.5.1.-; Protein EnvA; UDP-3-O-acyl-GlcNAc deacetylase; | lpxC; asmB envA; b0096 JW0094; | NP_414638.1;YP_488401.1; | 305 | escherichia-coli |
| P21645 | UDP-3-O-(3-hydroxymyristoyl)glucosamine N-acyltransferase; UDP-3-O-(3-OHC14)-GlcN N-acyltransferase; EC 2.3.1.191; Protein FirA; Rifampicin resistance protein; | lpxD; firA omsA; b0179 JW0174; | NP_414721.1;YP_488481.1; | 341 | escherichia-coli |
| P43341 | UDP-2,3-diacylglucosamine hydrolase; EC 3.6.1.54; UDP-2,3-diacylglucosamine diphosphatase; | lpxH; ybbF; b0524 JW0513; | NP_415057.1;YP_488813.1; | 240 | escherichia-coli |
| P27300 | Tetraacyldisaccharide 4'-kinase; EC 2.7.1.130; Lipid A 4'-kinase; | lpxK; ycaH; b0915 JW0898; | NP_415435.1;YP_489187.1; | 328 | escherichia-coli |
| P0ACV0 | Lipid A biosynthesis lauroyltransferase; EC 2.3.1.241; Kdo(2)-lipid IV(A) lauroyltransferase; | lpxL; htrB waaM; b1054 JW1041; | NP_415572.1;YP_489322.1; | 306 | escherichia-coli |
| P76445 | Lipid A 1-diphosphate synthase; EC 2.7.4.-; Undecaprenyl pyrophosphate:lipid A 1-phosphate phosphotransferase; | lpxT; yeiU; b2174 JW2162; | NP_416679.4;YP_490414.1; | 237 | escherichia-coli |
| P0ACV2 | Lipid A biosynthesis palmitoleoyltransferase; EC 2.3.1.242; Kdo(2)-lipid IV(A) palmitoleoyltransferase; | lpxP; ddg; b2378 JW2375; | NP_416879.4;YP_490620.1; | 306 | escherichia-coli |
| P24205 | Lipid A biosynthesis myristoyltransferase; EC 2.3.1.243; Kdo(2)-lauroyl-lipid IV(A) myristoyltransferase; | lpxM; msbB; b1855 JW1844; | NP_416369.1;YP_490117.1; | 323 | escherichia-coli |
| P36771 | Probable HTH-type transcriptional regulator LrhA; | lrhA; genR; b2289 JW2284; | NP_416792.1;YP_490529.1; | 312 | escherichia-coli |
| P0ACJ0 | Leucine-responsive regulatory protein; | lrp; alsB ihb livR oppI; b0889 JW0872; | NP_415409.1;YP_489161.1; | 164 | escherichia-coli |
| P00804 | Lipoprotein signal peptidase; EC 3.4.23.36; Prolipoprotein signal peptidase; Signal peptidase II; SPase II; | lspA; lsp; b0027 JW0025; | NP_414568.1;YP_488333.1; | 164 | escherichia-coli |
| P77257 | Autoinducer 2 import ATP-binding protein LsrA; AI-2 import ATP-binding protein LsrA; EC 3.6.3.-; EGO10A; | lsrA; ego ydeX; b1513 JW1506; | NP_416030.1;YP_489776.1; | 511 | escherichia-coli |
| P76142 | Autoinducer 2-binding protein LsrB; AI-2-binding protein LsrB; | lsrB; yneA; b1516 JW1509; | NP_416033.1;YP_489779.1; | 340 | escherichia-coli |
| P77672 | Autoinducer 2 import system permease protein LsrC; AI-2 import system permease protein LsrC; | lsrC; ydeY; b1514 JW1507; | NP_416031.1;YP_489777.1; | 342 | escherichia-coli |
| P0AFS1 | Autoinducer 2 import system permease protein LsrD; AI-2 import system permease protein LsrD; | lsrD; ydeZ; b1515 JW1508; | NP_416032.1;YP_489778.1; | 330 | escherichia-coli |
