| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IFY1 | Uncharacterized protein; Fragment; | CCDC178; | NULL | 143 | mallard |
| U3J939 | Uncharacterized protein; Fragment; | DACT2; | NULL | 742 | mallard |
| U3IQP5 | Uncharacterized protein; Fragment; | NULL | NULL | 157 | mallard |
| U3IQG4 | Uncharacterized protein; Fragment; | NULL | NULL | 63 | mallard |
| U3J9F4 | Uncharacterized protein; | TRAF2; | XP_005014842.1;XP_005014843.1;XP_005014844.1; | 533 | mallard |
| U3IG23 | Uncharacterized protein; | AMN1; | NULL | 259 | mallard |
| U3ILX1 | Uncharacterized protein; Fragment; | NULL | NULL | 40 | mallard |
| U3ILV9 | Uncharacterized protein; Fragment; | C12orf49; | NULL | 205 | mallard |
| U3ITS6 | Uncharacterized protein; | CXorf36; | NULL | 417 | mallard |
| U3J5R2 | Uncharacterized protein; | RNF212; | NULL | 205 | mallard |
| U3ITH8 | Uncharacterized protein; Fragment; | NULL | NULL | 2247 | mallard |
| U3ITE2 | Uncharacterized protein; Fragment; | LOC101795559; | NULL | 237 | mallard |
| U3IWY3 | Uncharacterized protein; Fragment; | B3GAT2; | NULL | 127 | mallard |
| U3J5J8 | Uncharacterized protein; Fragment; | NULL | NULL | 268 | mallard |
| U3IZG2 | Uncharacterized protein; | TRAPPC2; | NULL | 140 | mallard |
| U3J037 | Uncharacterized protein; | NULL | NULL | 418 | mallard |
| U3J024 | Uncharacterized protein; Fragment; | RTN4RL1; | NULL | 426 | mallard |
| U3J3A8 | Uncharacterized protein; | UTS2B; | NULL | 127 | mallard |
| U3J085 | Uncharacterized protein; | NULL | NULL | 385 | mallard |
| U3IZT8 | Uncharacterized protein; Fragment; | KIAA1279; | NULL | 548 | mallard |
