| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P71238 | Putative colanic acid polymerase; | wcaD; b2056 JW2041; | NP_416560.1;YP_490298.1; | 405 | escherichia-coli |
| P71239 | Putative colanic acid biosynthesis glycosyl transferase WcaE; | wcaE; b2055 JW2040; | NP_416559.1;YP_490297.1; | 248 | escherichia-coli |
| P0AC78 | Undecaprenyl-phosphate alpha-N-acetylglucosaminyl 1-phosphate transferase; EC 2.7.8.33; UDP-GlcNAc:undecaprenyl-phosphate GlcNAc-1-phosphate transferase; Undecaprenyl-phosphate GlcNAc-1-phosphate transferase; | wecA; rfe; b3784 JW3758; | NP_418231.1;YP_491655.1; | 367 | escherichia-coli |
| P27828 | UDP-N-acetylglucosamine 2-epimerase; EC 5.1.3.14; Bacteriophage N4 adsorption protein C; UDP-GlcNAc-2-epimerase; | wecB; nfrC rffE yifF; b3786 JW5600; | YP_026253.1;YP_491653.1; | 376 | escherichia-coli |
| P27829 | UDP-N-acetyl-D-mannosamine dehydrogenase; EC 1.1.1.336; UDP-ManNAc 6-dehydrogenase; | wecC; rffD; b3787 JW5599; | YP_026254.1;YP_491652.1; | 420 | escherichia-coli |
| P27832 | dTDP-fucosamine acetyltransferase; EC 2.3.1.210; TDP-fucosamine acetyltransferase; dTDP-4-amino-4,6-dideoxy-D-galactose acyltransferase; | wecD; rffC yifH; b3790 JW5597; | YP_026256.2;YP_491649.1; | 224 | escherichia-coli |
| P56258 | TDP-N-acetylfucosamine:lipid II N-acetylfucosaminyltransferase; EC 2.4.1.325; 4-alpha-L-fucosyltransferase; TDP-Fuc4NAc:lipid II Fuc4NAc transferase; Fuc4NAc transferase; | wecF; rffT yifM; b4481 JW5596; | YP_026257.1;YP_491646.1; | 359 | escherichia-coli |
| P27836 | UDP-N-acetyl-D-mannosaminuronic acid transferase; UDP-ManNAcA transferase; EC 2.4.1.180; | wecG; rffM; b3794 JW3770; | NP_418242.1;YP_491644.1; | 246 | escherichia-coli |
| P37669 | O-acetyltransferase WecH; EC 2.3.1.-; | wecH; yiaH; b3561 JW3533; | NP_418018.1;YP_491873.1; | 331 | escherichia-coli |
| P0AAB2 | Low molecular weight protein-tyrosine-phosphatase Wzb; EC 3.1.3.48; | wzb; b2061 JW2046; | NP_416565.1;YP_490303.1; | 147 | escherichia-coli |
| P77377 | Lipopolysaccharide biosynthesis protein WzxC; | wzxC; wzx; b2046 JW2031; | NP_416550.1;YP_490288.1; | 492 | escherichia-coli |
| P76387 | Tyrosine-protein kinase wzc; EC 2.7.10.-; | wzc; b2060 JW2045; | NP_416564.4;YP_490302.1; | 720 | escherichia-coli |
| P0AAA7 | Protein WzxE; | wzxE; wzx yifJ; b3792 JW3766; | NP_418239.1;YP_491647.1; | 416 | escherichia-coli |
| P27835 | Putative ECA polymerase; | wzyE; wzy; b3793 JW3769; | NP_418241.1;YP_491645.1; | 450 | escherichia-coli |
| P0A930 | Putative polysaccharide export protein wza; | wza; b2062 JW2047; | NP_416566.1;YP_490304.1; | 379 | escherichia-coli |
| P0AG00 | Lipopolysaccharide biosynthesis protein WzzE; | wzzE; wzz yifC; b3785 JW5601; | NP_418232.2;YP_491654.1; | 348 | escherichia-coli |
| P76372 | Chain length determinant protein; Polysaccharide antigen chain regulator; | wzzB; cld rol wzz; b2027 JW5836; | NP_416531.4;YP_490270.1; | 326 | escherichia-coli |
| P47737 | X polypeptide; ORF 19; ORF169; P19 protein; | yubQ; 19 X ygfA; ECOK12F070; | NP_061449.1;WP_000759160.1;YP_001294732.1;YP_009073812.1;YP_009075983.1; | 169 | escherichia-coli |
| P67444 | Xanthine permease XanQ; | xanQ; ygfO; b2882 JW2850; | NP_417358.2;YP_491084.1; | 466 | escherichia-coli |
| P0AGM9 | Xanthine permease XanP; | xanP; yicE; b3654 JW3629; | NP_418111.1;YP_491780.1; | 463 | escherichia-coli |
