| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I5W6 | Uncharacterized protein; Fragment; | WNK1; | NULL | 2028 | mallard |
| U3IAE8 | Uncharacterized protein; Fragment; | LOC101792942; | NULL | 234 | mallard |
| U3J4Q8 | Uncharacterized protein; | PAX2; | NULL | 482 | mallard |
| U3I9N5 | Uncharacterized protein; Fragment; | DBF4; | NULL | 682 | mallard |
| U3I587 | XK-related protein; Fragment; | XKR8; | NULL | 310 | mallard |
| U3I9N8 | Uncharacterized protein; | C4orf48; | NULL | 91 | mallard |
| U3I7D0 | Uncharacterized protein; Fragment; | EVL; | NULL | 399 | mallard |
| U3IHT4 | Uncharacterized protein; | FAM8A1; | NULL | 142 | mallard |
| U3IDC0 | Uncharacterized protein; Fragment; | PTGFR; | NULL | 366 | mallard |
| U3ICP6 | Uncharacterized protein; Fragment; | CACTIN; | NULL | 696 | mallard |
| U3IDD3 | Uncharacterized protein; Fragment; | KY; | NULL | 565 | mallard |
| U3IAN9 | Methionine aminopeptidase; EC 3.4.11.18; Fragment; | METAP2; | NULL | 433 | mallard |
| U3ID61 | Uncharacterized protein; Fragment; | TBCCD1; | NULL | 462 | mallard |
| U3IIH4 | Uncharacterized protein; Fragment; | NUF2; | NULL | 429 | mallard |
| U3IL66 | Uncharacterized protein; Fragment; | CDCA7; | NULL | 407 | mallard |
| U3ICX2 | Uncharacterized protein; Fragment; | HMG20B; | NULL | 318 | mallard |
| U3IIN0 | Uncharacterized protein; Fragment; | KCNH1; | NULL | 986 | mallard |
| U3IF66 | Uncharacterized protein; Fragment; | KRT78; | NULL | 224 | mallard |
| U3IKK8 | Uncharacterized protein; | XPOT; | XP_005029506.1; | 962 | mallard |
| U3II26 | Uncharacterized protein; | SMC2; | NULL | 1171 | mallard |
