| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IF50 | Uncharacterized protein; Fragment; | TMEM54; | NULL | 199 | mallard |
| U3IP54 | Uncharacterized protein; Fragment; | PEF1; | NULL | 124 | mallard |
| U3IFN7 | Uncharacterized protein; Fragment; | POLA2; | NULL | 161 | mallard |
| U3IPE7 | Uncharacterized protein; Fragment; | UTP23; | NULL | 189 | mallard |
| U3IHU3 | Uncharacterized protein; | KLHL6; | XP_005014416.1; | 610 | mallard |
| U3J8R5 | Uncharacterized protein; Fragment; | LOC101800847; | NULL | 509 | mallard |
| U3I7I1 | Uncharacterized protein; Fragment; | HACL1; | NULL | 583 | mallard |
| U3IS48 | Uncharacterized protein; Fragment; | LOC101805040; | NULL | 503 | mallard |
| U3I2L5 | Uncharacterized protein; | NULL | NULL | 95 | mallard |
| U3IQD5 | Uncharacterized protein; | HORMAD1; | NULL | 392 | mallard |
| U3ISD9 | Uncharacterized protein; Fragment; | TPX2; | NULL | 748 | mallard |
| U3I5B2 | Uncharacterized protein; | NULL | NULL | 605 | mallard |
| U3IKV9 | Uncharacterized protein; Fragment; | CHDC2; | NULL | 208 | mallard |
| U3IHR0 | Uncharacterized protein; Fragment; | HDAC7; | NULL | 1044 | mallard |
| U3IWH5 | Uncharacterized protein; Fragment; | TOMM70A; | NULL | 503 | mallard |
| U3ILW3 | Alanine--tRNA ligase, cytoplasmic; EC 6.1.1.7; Alanyl-tRNA synthetase; | AARS; | NULL | 916 | mallard |
| U3IL58 | Uncharacterized protein; Fragment; | CDC25A; | NULL | 531 | mallard |
| U3IXQ2 | Uncharacterized protein; Fragment; | TFIP11; | NULL | 737 | mallard |
| U3IXP0 | Uncharacterized protein; Fragment; | ZNF341; | NULL | 717 | mallard |
| U3IX22 | Uncharacterized protein; Fragment; | LOC101799265; | NULL | 289 | mallard |
