| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P75995 | Uncharacterized protein YcgG; | ycgG; b1168 JW5174; | NP_415686.2;YP_489435.1; | 507 | escherichia-coli |
| P76001 | Uncharacterized protein YcgJ; | ycgJ; b1177 JW1166; | NP_415695.1;YP_489444.1; | 122 | escherichia-coli |
| P76000 | Putative uncharacterized protein YcgI; | ycgI; ymgH; b4521 JW1162/JW5179; | YP_489439.1;YP_489440.1; | 147 | escherichia-coli |
| P29013 | Uncharacterized protein YcgB; | ycgB; b1188 JW1177; | NP_415706.1;YP_489455.1; | 510 | escherichia-coli |
| P0AB43 | Protein YcgL; | ycgL; b1179 JW1168; | NP_415697.4;YP_489446.1; | 97 | escherichia-coli |
| P76004 | Uncharacterized protein YcgM; | ycgM; b1180 JW1169; | NP_415698.1;YP_489447.1; | 219 | escherichia-coli |
| P0A8L5 | UPF0260 protein YcgN; | ycgN; b1181 JW5180; | NP_415699.5;YP_489448.1; | 153 | escherichia-coli |
| P76010 | Flagellar brake protein YcgR; Cyclic di-GMP binding protein YcgR; | ycgR; b1194 JW1183; | NP_415712.1;YP_489461.1; | 244 | escherichia-coli |
| P75988 | Uncharacterized protein YcgX; | ycgX; b1161 JW1148; | NP_415679.1;YP_489428.1; | 134 | escherichia-coli |
| P75991 | Probable two-component-system connector protein YcgZ; | ycgZ; b1164 JW1151; | NP_415682.1;YP_489431.1; | 78 | escherichia-coli |
| P76012 | Uncharacterized protein YcgY; | ycgY; b1196 JW1185; | NP_415714.1;YP_489463.1; | 146 | escherichia-coli |
| P25743 | UPF0056 membrane protein YhcE; | ychE; b1242 JW1229; | NP_415758.1;YP_489508.1; | 215 | escherichia-coli |
| P76017 | Uncharacterized protein YcgV; | ycgV; b1202 JW1193; | NP_415720.1;YP_489469.1; | 955 | escherichia-coli |
| P0ABU2 | Ribosome-binding ATPase YchF; | ychF; engD gtp1; b1203 JW1194; | NP_415721.1;YP_489470.1; | 363 | escherichia-coli |
| P30192 | Putative uncharacterized protein YchG; | ychG; b4573 JW1227/JW5883; | NULL | 299 | escherichia-coli |
| P0AB49 | Uncharacterized protein YchH; | ychH; b1205 JW1196; | NP_415723.1;YP_489472.1; | 92 | escherichia-coli |
| P37052 | UPF0225 protein YchJ; | ychJ; b1233 JW1221; | NP_415749.1;YP_489501.1; | 152 | escherichia-coli |
| P0AB52 | Protein YchN; | ychN; b1219 JW1210; | NP_415737.1;YP_489489.1; | 117 | escherichia-coli |
| P0A8Z0 | Acyl-CoA thioester hydrolase YciA; EC 3.1.2.-; Protein P14; | yciA; b1253 JW1245; | NP_415769.1;YP_489521.1; | 132 | escherichia-coli |
| P39165 | Uncharacterized protein YchO; | ychO; ychP; b1220 JW1211; | NP_415738.2;YP_489490.1; | 464 | escherichia-coli |
