| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ICN8 | Metalloendopeptidase; EC 3.4.24.-; Fragment; | MEP1A; | NULL | 203 | mallard |
| U3HZB7 | Uncharacterized protein; | NULL | NULL | 450 | mallard |
| U3IBJ1 | Uncharacterized protein; Fragment; | LOC101802841; | NULL | 158 | mallard |
| U3I654 | Uncharacterized protein; | IBTK; | XP_005026851.1; | 1357 | mallard |
| U3IH17 | Uncharacterized protein; Fragment; | NULL | NULL | 315 | mallard |
| U3I9U2 | Uncharacterized protein; | AQP3; | NULL | 292 | mallard |
| U3I8W1 | Uncharacterized protein; Fragment; | NDFIP1; | NULL | 212 | mallard |
| U3II50 | Uncharacterized protein; Fragment; | QARS; | NULL | 563 | mallard |
| U3I2M3 | Uncharacterized protein; Fragment; | ATP8B2; | NULL | 1173 | mallard |
| U3ICB9 | Rhodopsin; Fragment; | LOC101791298; | NULL | 311 | mallard |
| U3IHJ0 | Uncharacterized protein; Fragment; | KIAA0586; | NULL | 1433 | mallard |
| U3II96 | Uncharacterized protein; Fragment; | FRMD5; | NULL | 539 | mallard |
| U3INH8 | Uncharacterized protein; Fragment; | GPR125; | NULL | 1236 | mallard |
| U3INJ4 | Uncharacterized protein; Fragment; | LOC101791983; | NULL | 293 | mallard |
| U3IN36 | Uncharacterized protein; Fragment; | MED20; | NULL | 157 | mallard |
| U3IJN6 | Uncharacterized protein; Fragment; | FKBP6; | NULL | 266 | mallard |
| U3IKQ0 | Uncharacterized protein; Fragment; | LSM5; | NULL | 74 | mallard |
| U3IPC6 | Uncharacterized protein; Fragment; | WDR65; | NULL | 542 | mallard |
| U3I668 | Uncharacterized protein; Fragment; | LOC101797756; | NULL | 136 | mallard |
| U3I729 | Uncharacterized protein; Fragment; | RAC1; | NULL | 181 | mallard |
