| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| V9HVX0 | Uncharacterized protein YpaA; | ypaA; b4543; | NULL | 61 | escherichia-coli |
| P76524 | Aminopeptidase YpdF; EC 3.4.11.-; | ypdF; b2385 JW2382; | NP_416886.1;YP_490627.1; | 361 | escherichia-coli |
| P77585 | Aminopeptidase YpdE; EC 3.4.11.-; | ypdE; b2384 JW2381; | NP_416885.1;YP_490626.1; | 345 | escherichia-coli |
| Q2EET0 | Putative uncharacterized protein YpdJ; | ypdJ; b4545 JW5386; | YP_490604.1; | 46 | escherichia-coli |
| O32528 | Uncharacterized lipoprotein YpdI; | ypdI; b2376 JW2373; | NP_416877.1;YP_490618.1; | 91 | escherichia-coli |
| P77396 | Uncharacterized HTH-type transcriptional regulator YpdC; | ypdC; b2382 JW2379; | NP_416883.1;YP_490624.1; | 285 | escherichia-coli |
| C1P610 | Uncharacterized membrane protein YpdK; | ypdK; b4680 JW2375.1; | YP_002791250.1; | 23 | escherichia-coli |
| P76539 | Acetyltransferase YpeA; EC 2.3.1.-; | ypeA; b2434 JW2427; | NP_416929.4;YP_490670.1; | 141 | escherichia-coli |
| P64542 | Uncharacterized protein YpeC; | ypeC; b2390 JW2387; | NP_416891.1;YP_490632.1; | 108 | escherichia-coli |
| P0AD40 | Uncharacterized protein YpeB; | ypeB; b4546 JW5877; | YP_490646.1;YP_588464.1; | 72 | escherichia-coli |
| P76559 | Uncharacterized protein YpfG; | ypfG; b2466 JW2450; | NP_416961.1;YP_490693.1; | 347 | escherichia-coli |
| P76561 | Esterase YpfH; EC 3.1.-.-; | ypfH; b2473 JW5396; | NP_416968.2;YP_490701.1; | 232 | escherichia-coli |
| P64429 | Uncharacterized protein YpfJ; | ypfJ; b2475 JW2460; | NP_416970.1;YP_490703.1; | 287 | escherichia-coli |
| A5A621 | Uncharacterized protein YpfM; | ypfM; b4606 JW2454.1; | YP_001165325.1; | 19 | escherichia-coli |
| Q2EET2 | UPF0370 protein YpfN; | ypfN; b4547 JW2457; | YP_490700.1;YP_588465.1; | 66 | escherichia-coli |
| P0AD47 | Inner membrane protein YphA; | yphA; b2543 JW2527; | NP_417038.4;YP_490771.1; | 140 | escherichia-coli |
| P76584 | Uncharacterized protein YphB; | yphB; b2544 JW2528; | NP_417039.1;YP_490772.1; | 290 | escherichia-coli |
| P77360 | Uncharacterized zinc-type alcohol dehydrogenase-like protein YphC; EC 1.-.-.-; | yphC; b2545 JW5842; | NP_417040.2;YP_490773.1; | 353 | escherichia-coli |
| P77509 | Uncharacterized ABC transporter ATP-binding protein YphE; | yphE; b2547 JW2531; | NP_417042.1;YP_490775.1; | 503 | escherichia-coli |
| P77269 | ABC transporter periplasmic-binding protein YphF; | yphF; b2548 JW2532; | NP_417043.1;YP_490776.1; | 327 | escherichia-coli |
