| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IWY2 | Uncharacterized protein; | IL6ST; | NULL | 919 | mallard |
| U3J004 | Uncharacterized protein; Fragment; | ARMC1; | NULL | 282 | mallard |
| U3IZN2 | Uncharacterized protein; | CCP110; | NULL | 1013 | mallard |
| U3IZV5 | Uncharacterized protein; | RALY; | NULL | 281 | mallard |
| U3J3J1 | Uncharacterized protein; Fragment; | CELF4; | NULL | 113 | mallard |
| U3IZP1 | Uncharacterized protein; Fragment; | LEMD3; | NULL | 391 | mallard |
| U3J3F1 | Uncharacterized protein; Fragment; | USE1; | NULL | 226 | mallard |
| U3IMB6 | Uncharacterized protein; | NAA60; | NULL | 245 | mallard |
| U3J3F2 | Uncharacterized protein; Fragment; | PIGU; | NULL | 438 | mallard |
| U3J3G8 | Uncharacterized protein; | C2orf71; | NULL | 1243 | mallard |
| U3IZM9 | Uncharacterized protein; Fragment; | ATE1; | NULL | 493 | mallard |
| U3J3E9 | Uncharacterized protein; Fragment; | NULL | NULL | 344 | mallard |
| U3J3N3 | Uncharacterized protein; Fragment; | BIRC6; | NULL | 3375 | mallard |
| U3IMD8 | Uncharacterized protein; Fragment; | IPO9; | NULL | 986 | mallard |
| U3J3K1 | Uncharacterized protein; | DDR2; | NULL | 826 | mallard |
| U3IT78 | Uncharacterized protein; | ORC4; | XP_005025038.1; | 436 | mallard |
| U3IZS1 | Uncharacterized protein; Fragment; | CLMN; | NULL | 259 | mallard |
| U3J3N1 | Uncharacterized protein; Fragment; | NULL | NULL | 134 | mallard |
| U3J7C2 | Uncharacterized protein; Fragment; | NULL | NULL | 245 | mallard |
| U3J749 | Uncharacterized protein; | LOC101790401; | NULL | 294 | mallard |
