| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P76515 | Uncharacterized protein YfdS; | yfdS; b2362 JW2359; | NP_416863.1;YP_490602.1; | 120 | escherichia-coli |
| P76516 | Uncharacterized protein YfdT; | yfdT; b2363 JW5887; | NP_416864.1;YP_490603.1; | 101 | escherichia-coli |
| P76508 | Putative uncharacterized protein YfdL; | yfdL; b2355 JW5384; | YP_490595.1; | 172 | escherichia-coli |
| P76509 | Putative uncharacterized protein YfdM; | yfdM; b2356 JW2352; | YP_490596.1; | 91 | escherichia-coli |
| P0AA49 | Uncharacterized transporter YfdV; | yfdV; b2372 JW2369; | NP_416873.1;YP_490614.1; | 314 | escherichia-coli |
| P76520 | Protein YfdX; | yfdX; b2375 JW2372; | NP_416876.1;YP_490617.1; | 211 | escherichia-coli |
| P76512 | Uncharacterized protein YfdP; | yfdP; b2359 JW2356; | NP_416860.4;YP_490599.1; | 120 | escherichia-coli |
| P76521 | Uncharacterized protein YfdY; | yfdY; b2377 JW2374; | NP_416878.1;YP_490619.1; | 80 | escherichia-coli |
| P23842 | Uncharacterized protein YfeA; | yfeA; b2395 JW5391; | NP_416896.4;YP_490636.1; | 729 | escherichia-coli |
| P0AD37 | Uncharacterized protein YfeC; | yfeC; b2398 JW2393; | NP_416897.2;YP_490637.1; | 114 | escherichia-coli |
| P27238 | Uncharacterized protein YfeD; | yfeD; b2399 JW2394; | NP_416898.3;YP_490638.1; | 130 | escherichia-coli |
| P45564 | Uncharacterized protein YfeN; | yfeN; b2408 JW2399; | NP_416903.1;YP_490643.1; | 254 | escherichia-coli |
| Q47702 | Uncharacterized protein YfeK; | yfeK; b2419 JW2412; | NP_416914.1;YP_490655.1; | 124 | escherichia-coli |
| P67729 | Putative ion-transport protein YfeO; | yfeO; b2389 JW2386; | NP_416890.1;YP_490631.1; | 418 | escherichia-coli |
| P39836 | Uncharacterized protein YfeH; | yfeH; b2410 JW5876; | NP_416905.1;YP_490645.1; | 332 | escherichia-coli |
| P0ACR7 | Uncharacterized HTH-type transcriptional regulator YfeR; | yfeR; b2409 JW2400; | NP_416904.1;YP_490644.1; | 308 | escherichia-coli |
| P77619 | UPF0214 protein YfeW; | yfeW; b2430 JW5395; | NP_416925.2;YP_490666.1; | 434 | escherichia-coli |
| P78271 | Uncharacterized protein YfeS; | yfeS; b2420 JW2413; | NP_416915.1;YP_490656.1; | 244 | escherichia-coli |
| P76536 | Probable deferrochelatase/peroxidase YfeX; EC 1.11.1.-; | yfeX; b2431 JW2424; | NP_416926.4;YP_490667.1; | 299 | escherichia-coli |
| P76537 | Uncharacterized protein YfeY; | yfeY; b2432 JW2425; | NP_416927.1;YP_490668.1; | 191 | escherichia-coli |
