| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0AAZ7 | UPF0434 protein YcaR; | ycaR; b0917 JW0900; | NP_415437.1;YP_489189.1; | 60 | escherichia-coli |
| P22525 | Probable L,D-transpeptidase YcbB; EC 2.-.-.-; | ycbB; b0925 JW0908; | NP_415445.1;YP_489197.1; | 615 | escherichia-coli |
| P40876 | Uncharacterized fimbrial chaperone YcbF; | ycbF; b0944 JW5124; | NP_415464.4;YP_489216.1; | 236 | escherichia-coli |
| P0AB03 | Uncharacterized protein YcbJ; | ycbJ; b0919 JW0902; | NP_415439.1;YP_489191.1; | 297 | escherichia-coli |
| P75849 | Uncharacterized protein YcbL; EC 3.-.-.-; | ycbL; b0927 JW0910; | NP_415447.1;YP_489199.1; | 215 | escherichia-coli |
| P0AB06 | Uncharacterized protein YcbK; | ycbK; b0926 JW0909; | NP_415446.1;YP_489198.1; | 182 | escherichia-coli |
| P75863 | Uncharacterized protein YcbX; | ycbX; b0947 JW5126; | NP_415467.1;YP_489219.1; | 369 | escherichia-coli |
| P75860 | Uncharacterized fimbrial-like protein YcbV; | ycbV; b0943 JW5123; | NP_415463.2;YP_489215.1; | 171 | escherichia-coli |
| P0AAC6 | Modulator of FtsH protease YccA; | yccA; b0970 JW0953; | NP_415490.1;YP_489242.1; | 219 | escherichia-coli |
| P36661 | Uncharacterized protein YccE; ORF-D; | yccE; b1001 JW0986; | NP_415521.1;YP_489274.1; | 418 | escherichia-coli |
| P0AB12 | Inner membrane protein YccF; | yccF; b0961 JW0944; | NP_415481.1;YP_489233.1; | 148 | escherichia-coli |
| P75859 | Uncharacterized fimbrial-like protein YcbU; | ycbU; b0942 JW0925; | NP_415462.1;YP_489214.1; | 180 | escherichia-coli |
| P75870 | Inner membrane protein YccS; | yccS; b0960 JW5128; | NP_415480.2;YP_489232.1; | 717 | escherichia-coli |
| P0A8X4 | UPF0319 protein YccT; | yccT; b0964 JW0947; | NP_415484.1;YP_489236.1; | 220 | escherichia-coli |
| P52636 | Putative electron transport protein YccM; | yccM; b0992 JW0977; | NP_415512.1;YP_489265.1; | 357 | escherichia-coli |
| P0AB14 | Uncharacterized protein YccJ; | yccJ; b1003 JW0988; | NP_415523.1;YP_489276.1; | 75 | escherichia-coli |
| P75874 | Uncharacterized protein YccU; | yccU; b0965 JW5130; | NP_415485.4;YP_489237.1; | 137 | escherichia-coli |
| P75910 | Uncharacterized protein YcdU; | ycdU; b1029 JW1015; | NP_415548.1;YP_489299.1; | 328 | escherichia-coli |
| P75908 | Probable diguanylate cyclase YcdT; DGC; EC 2.7.7.65; | ycdT; b1025 JW5143; | NP_415544.1;YP_489296.1; | 452 | escherichia-coli |
| P75914 | Probable phosphatase YcdX; EC 3.1.3.-; | ycdX; b1034 JW1017; | NP_415552.1;YP_489301.1; | 245 | escherichia-coli |
