| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3HZD1 | Uncharacterized protein; Fragment; | NULL | NULL | 131 | mallard |
| U3ITC6 | Uncharacterized protein; Fragment; | ALDH5A1; | NULL | 418 | mallard |
| U3J9S9 | Uncharacterized protein; Fragment; | C10orf71; | NULL | 1435 | mallard |
| U3J7N8 | Uncharacterized protein; Fragment; | ZFR; | NULL | 810 | mallard |
| U3I3F0 | Uncharacterized protein; | CCDC102B; | NULL | 426 | mallard |
| U3J735 | Uncharacterized protein; Fragment; | TAS1R1; | NULL | 445 | mallard |
| U3J3C9 | Uncharacterized protein; Fragment; | PARP1; | NULL | 876 | mallard |
| U3IWL4 | Uncharacterized protein; Fragment; | HNRNPD; | NULL | 258 | mallard |
| U3ISR3 | Uncharacterized protein; Fragment; | TYRO3; | NULL | 855 | mallard |
| U3J7Y5 | Uncharacterized protein; Fragment; | PFKFB4; | NULL | 438 | mallard |
| U3J6X2 | Uncharacterized protein; Fragment; | TCTE1; | NULL | 388 | mallard |
| U3J7F6 | Uncharacterized protein; Fragment; | TMEM206; | NULL | 354 | mallard |
| U3IL79 | Uncharacterized protein; Fragment; | NULL | NULL | 1494 | mallard |
| U3I980 | Uncharacterized protein; Fragment; | NAGPA; | NULL | 432 | mallard |
| U3IGE4 | Inhibitor of growth protein; Fragment; | ING1; | NULL | 287 | mallard |
| U3I4E9 | Uncharacterized protein; Fragment; | RIMS2; | NULL | 1478 | mallard |
| U3IAJ1 | Uncharacterized protein; Fragment; | LOC101792352; | NULL | 270 | mallard |
| U3IRB0 | Uncharacterized protein; | NULL | NULL | 355 | mallard |
| U3I912 | Uncharacterized protein; | LOC101796586; | NULL | 112 | mallard |
| U3I899 | Uncharacterized protein; Fragment; | DIS3; | NULL | 337 | mallard |
