| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P23877 | Ferric enterobactin transport system permease protein FepG; | fepG; b0589 JW0581; | NP_415121.1;YP_488878.1; | 330 | escherichia-coli |
| P26266 | Ferric enterobactin transport protein FepE; | fepE; b0587 JW0579; | NP_415119.1;YP_488876.1; | 377 | escherichia-coli |
| P23876 | Ferric enterobactin transport system permease protein FepD; | fepD; b0590 JW0582; | NP_415122.1;YP_488879.1; | 334 | escherichia-coli |
| P0A9R4 | 2Fe-2S ferredoxin; | fdx; b2525 JW2509; | NP_417020.1;YP_490753.1; | 111 | escherichia-coli |
| P13039 | Enterochelin esterase; Ferric enterobactin esterase; | fes; b0585 JW0576; | NP_415117.2;YP_488873.1; | 400 | escherichia-coli |
| P77279 | Probable iron export ATP-binding protein FetA; EC 3.6.3.-; | fetA; ybbL; b0490 JW0479; | NP_415023.1;YP_488781.1; | 225 | escherichia-coli |
| P77307 | Probable iron export permease protein FetB; | fetB; ybbM; b0491 JW5066; | NP_415024.4;YP_488782.1; | 259 | escherichia-coli |
| P0A8P3 | Probable Fe(2+)-trafficking protein; | yggX; b2962 JW2929; | NP_417437.1;YP_491161.1; | 91 | escherichia-coli |
| P19323 | Formate hydrogenlyase transcriptional activator; | fhlA; b2731 JW2701; | NP_417211.1;YP_490940.1; | 692 | escherichia-coli |
| P06972 | Iron(3+)-hydroxamate import system permease protein FhuB; Ferric hydroxamate uptake protein B; Ferrichrome transport system permease protein FhuB; Ferrichrome uptake protein FhuB; Iron(III)-hydroxamate import system permease protein FhuB; | fhuB; b0153 JW0149; | NP_414695.1;YP_488456.1; | 660 | escherichia-coli |
| P07821 | Iron(3+)-hydroxamate import ATP-binding protein FhuC; EC 3.6.3.34; Ferric hydroxamate uptake protein C; Ferrichrome transport ATP-binding protein FhuC; Iron(III)-hydroxamate import ATP-binding protein FhuC; | fhuC; b0151 JW0147; | NP_414693.1;YP_488454.1; | 265 | escherichia-coli |
| P39405 | Ferric iron reductase protein FhuF; | fhuF; yjjS; b4367 JW4331; | NP_418787.1;YP_492498.1; | 262 | escherichia-coli |
| P16869 | FhuE receptor; Outer-membrane receptor for Fe(III)-coprogen, Fe(III)-ferrioxamine B and Fe(III)-rhodotrulic acid; | fhuE; b1102 JW1088; | NP_415620.1;YP_489370.1; | 729 | escherichia-coli |
| P07822 | Iron(3+)-hydroxamate-binding protein FhuD; Ferric hydroxamate uptake protein D; Ferrichrome-binding periplasmic protein; Iron(III)-hydroxamate-binding protein FhuD; | fhuD; b0152 JW0148; | NP_414694.1;YP_488455.1; | 296 | escherichia-coli |
| P06971 | Ferrichrome-iron receptor; Ferric hydroxamate receptor; Ferric hydroxamate uptake; | fhuA; tonA; b0150 JW0146; | NP_414692.1;YP_488453.1; | 747 | escherichia-coli |
| P20605 | Probable adenosine monophosphate-protein transferase fic; EC 2.7.7.n1; Cell filamentation protein fic; | fic; b3361 JW3324; | NP_417820.1;YP_492070.1; | 200 | escherichia-coli |
| P69380 | Ferrous-iron efflux pump FieF; | fieF; yiiP; b3915 JW3886; | NP_418350.1;YP_491536.1; | 300 | escherichia-coli |
| P04128 | Type-1 fimbrial protein, A chain; Type-1A pilin; | fimA; pilA; b4314 JW4277; | NP_418734.1;YP_492448.1; | 182 | escherichia-coli |
| P0ADH5 | Type 1 fimbriae regulatory protein FimB; | fimB; b4312 JW4275; | NP_418732.1;YP_492446.1; | 200 | escherichia-coli |
| P30130 | Outer membrane usher protein FimD; | fimD; b4317 JW5780; | NP_418737.1;YP_492451.1; | 878 | escherichia-coli |
