| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I3R0 | E3 ubiquitin-protein ligase; EC 6.3.2.-; | WWP1; | NULL | 925 | mallard |
| U3I3X1 | Uncharacterized protein; | DLX1; | XP_005018973.1; | 255 | mallard |
| U3I5I9 | Uncharacterized protein; | CSNK1G3; | NULL | 456 | mallard |
| U3I5H2 | Uncharacterized protein; Fragment; | FGF23; | NULL | 260 | mallard |
| U3I401 | Uncharacterized protein; | ST3GAL4; | NULL | 328 | mallard |
| U3I7G2 | Uncharacterized protein; Fragment; | NULL | NULL | 183 | mallard |
| U3I5M4 | Uncharacterized protein; | MRC2; | NULL | 1451 | mallard |
| U3I5C0 | Uncharacterized protein; | SLA2; | NULL | 263 | mallard |
| U3I7K4 | Uncharacterized protein; | TANGO2; | XP_005024443.1; | 276 | mallard |
| U3I3Z0 | Uncharacterized protein; | GTF2E2; | NULL | 292 | mallard |
| U3I7R8 | Uncharacterized protein; Fragment; | NTM; | NULL | 297 | mallard |
| U3I7P4 | Uncharacterized protein; Fragment; | EFNB2; | NULL | 335 | mallard |
| U3I7H4 | Uncharacterized protein; Fragment; | MASP1; | NULL | 370 | mallard |
| U3I7E0 | Uncharacterized protein; Fragment; | AQP8; | NULL | 261 | mallard |
| U3I5J8 | Uncharacterized protein; Fragment; | MMP11; | NULL | 380 | mallard |
| U3I7L9 | Uncharacterized protein; Fragment; | NULL | NULL | 398 | mallard |
| U3I7Q8 | Uncharacterized protein; Fragment; | TOM1L1; | NULL | 435 | mallard |
| U3I9X2 | Uncharacterized protein; Fragment; | AUTS2; | NULL | 999 | mallard |
| U3I9Z7 | Uncharacterized protein; Fragment; | LOC101799791; | NULL | 477 | mallard |
| U3I7Q4 | Uncharacterized protein; | STOML3; | NULL | 284 | mallard |
