| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I4M1 | Uncharacterized protein; Fragment; | RPA3; | NULL | 123 | mallard |
| U3IAF3 | Uncharacterized protein; Fragment; | BIVM; | NULL | 476 | mallard |
| U3IAH0 | Uncharacterized protein; Fragment; | ESM1; | NULL | 175 | mallard |
| U3IC51 | Uncharacterized protein; Fragment; | IL18RAP; | NULL | 487 | mallard |
| U3I650 | Uncharacterized protein; | DYX1C1; | NULL | 413 | mallard |
| U3IA88 | Uncharacterized protein; | TCEA1; | NULL | 309 | mallard |
| U3I6L9 | Uncharacterized protein; | LNX1; | NULL | 732 | mallard |
| U3I700 | Dimethylaniline monooxygenase [N-oxide-forming]; EC 1.14.13.8; | FMO4; | NULL | 533 | mallard |
| U3IAA8 | Uncharacterized protein; Fragment; | LRRFIP1; | NULL | 627 | mallard |
| U3I728 | Uncharacterized protein; | TDRD7; | NULL | 1083 | mallard |
| U3I0C2 | Uncharacterized protein; Fragment; | FZD10; | NULL | 581 | mallard |
| U3ICJ4 | Uncharacterized protein; Fragment; | MRPS36; | NULL | 82 | mallard |
| U3I862 | Uncharacterized protein; Fragment; | FAM161A; | NULL | 582 | mallard |
| U3ID36 | Uncharacterized protein; | CPA2; | XP_005009578.1; | 419 | mallard |
| U3IFQ2 | Uncharacterized protein; Fragment; | NULL | NULL | 84 | mallard |
| U3I7X3 | Uncharacterized protein; | ARHGAP20; | NULL | 182 | mallard |
| U3I4Z8 | Uncharacterized protein; Fragment; | DDX23; | NULL | 782 | mallard |
| U3IG74 | Uncharacterized protein; | C11orf87; | NULL | 160 | mallard |
| U3ID33 | Uncharacterized protein; Fragment; | POR; | NULL | 668 | mallard |
| U3IG87 | Uncharacterized protein; Fragment; | LRRC41; | NULL | 697 | mallard |
