| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I4E4 | Uncharacterized protein; Fragment; | LAG3; | NULL | 264 | mallard |
| U3IUK6 | Uncharacterized protein; Fragment; | LOC101791001; | NULL | 233 | mallard |
| U3IE60 | Uncharacterized protein; Fragment; | LOC101799636; | NULL | 152 | mallard |
| U3I2R3 | Uncharacterized protein; Fragment; | MGAT4C; | NULL | 478 | mallard |
| U3IY22 | C-C motif chemokine; Fragment; | LOC101800921; | NULL | 93 | mallard |
| U3IEE7 | Uncharacterized protein; Fragment; | TMEM258; | NULL | 58 | mallard |
| U3J199 | Uncharacterized protein; Fragment; | ASB9; | NULL | 294 | mallard |
| U3IU93 | Uncharacterized protein; Fragment; | GNB1; | NULL | 342 | mallard |
| U3HZR0 | Uncharacterized protein; | LOC101790952; | NULL | 246 | mallard |
| U3IUG2 | Uncharacterized protein; Fragment; | PLS3; | NULL | 640 | mallard |
| U3I4D6 | Uncharacterized protein; Fragment; | KIAA0922; | NULL | 1551 | mallard |
| U3I5M7 | Uncharacterized protein; | KLHL31; | XP_005009244.1;XP_005009245.1; | 634 | mallard |
| U3I300 | Uncharacterized protein; Fragment; | NULL | NULL | 509 | mallard |
| U3I0A3 | Uncharacterized protein; Fragment; | KRT7; | NULL | 492 | mallard |
| U3I8M6 | Uncharacterized protein; Fragment; | CEP97; | NULL | 858 | mallard |
| U3HYF1 | Uncharacterized protein; Fragment; | LOC101798867; | NULL | 161 | mallard |
| U3I6U9 | Uncharacterized protein; | GLRX2; | NULL | 114 | mallard |
| U3I559 | Uncharacterized protein; | MTTP; | XP_005027314.1; | 893 | mallard |
| U3I7K6 | Uncharacterized protein; | KIAA2026; | NULL | 1271 | mallard |
| U3I6M0 | Gap junction protein; | NULL | NULL | 317 | mallard |
