| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P11289 | Uncharacterized protein YfiL; URF2; | yfiL; b2602 JW5412; | NP_417093.2;YP_490825.1; | 121 | escherichia-coli |
| P64548 | Uncharacterized protein YfiR; | yfiR; b2603 JW2584; | NP_417094.1;YP_490826.1; | 172 | escherichia-coli |
| P46139 | Probable diguanylate cyclase YfiN; DGC; EC 2.7.7.65; | yfiN; b2604 JW2585; | NP_417095.1;YP_490827.1; | 408 | escherichia-coli |
| P46126 | Uncharacterized protein YfiM; | yfiM; b2586 JW2570; | NP_417081.2;YP_490814.1; | 107 | escherichia-coli |
| P52124 | Uncharacterized protein YfjI; | yfjI; b2625 JW2605; | NP_417114.1;YP_490846.1; | 469 | escherichia-coli |
| P33634 | Uncharacterized HTH-type transcriptional regulator YfiE; | yfiE; b2577 JW2561; | NP_417072.4;YP_490805.1; | 293 | escherichia-coli |
| P52126 | Uncharacterized protein YfjK; | yfjK; b2627 JW2608; | NP_417116.1;YP_490848.1; | 729 | escherichia-coli |
| P52123 | Uncharacterized protein YfjH; | yfjH; b2623 JW2603; | NP_417112.1;YP_490844.1; | 318 | escherichia-coli |
| P37908 | UPF0053 inner membrane protein YfjD; | yfjD; ypjE; b4461 JW5415; | YP_026171.3;YP_490835.1; | 428 | escherichia-coli |
| P52128 | Uncharacterized protein YfjM; | yfjM; b2629 JW2610; | NP_417118.1;YP_490850.1; | 87 | escherichia-coli |
| P52132 | UPF0380 protein YfjQ; | yfjQ; b2633 JW2614; | NP_417122.1;YP_490854.1; | 273 | escherichia-coli |
| P52131 | Uncharacterized protein YfjP; | yfjP; b2632 JW5419; | YP_026173.1;YP_490853.1; | 287 | escherichia-coli |
| P52125 | Uncharacterized protein YfjJ; | yfjJ; b2626 JW2607; | NP_417115.1;YP_490847.1; | 208 | escherichia-coli |
| O52982 | Uncharacterized lipoprotein YfjS; | yfjS; b2636 JW5921; | NP_417124.4;YP_490857.1; | 147 | escherichia-coli |
| P52135 | Uncharacterized protein YfjT; | yfjT; b2637 JW2618; | NP_417125.1;YP_490858.1; | 155 | escherichia-coli |
| P52137 | Putative arsenical pump membrane protein; Fragment; | yfjV; ypjM; b2641; | NULL | 338 | escherichia-coli |
| P52139 | Uncharacterized protein YfjX; | yfjX; b2643 JW2624; | NP_417130.1;YP_490863.1; | 152 | escherichia-coli |
| P52140 | UPF0758 protein YfjY; | yfjY; b2644 JW2625; | NP_417131.1;YP_490864.1; | 160 | escherichia-coli |
| P52138 | Uncharacterized protein YfjW; | yfjW; b2642 JW2623; | NP_417129.1;YP_490862.1; | 567 | escherichia-coli |
| P52127 | Uncharacterized protein YfjL; | yfjL; b2628 JW2609; | NP_417117.1;YP_490849.1; | 538 | escherichia-coli |
