| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3J0A9 | Uncharacterized protein; | KIAA1737; | NULL | 372 | mallard |
| U3IMA9 | Uncharacterized protein; Fragment; | NULL | NULL | 347 | mallard |
| U3HZW4 | Uncharacterized protein; | LOC101798824; | NULL | 472 | mallard |
| U3J6K3 | Uncharacterized protein; | R3HDM1; | NULL | 1090 | mallard |
| U3J7I9 | Uncharacterized protein; Fragment; | P2RX3; | NULL | 81 | mallard |
| U3I0E7 | Uncharacterized protein; Fragment; | NULL | NULL | 50 | mallard |
| U3J458 | Uncharacterized protein; Fragment; | MKL1; | NULL | 963 | mallard |
| U3I189 | Uncharacterized protein; Fragment; | NULL | NULL | 74 | mallard |
| U3I8F4 | Uncharacterized protein; Fragment; | RNF157; | NULL | 549 | mallard |
| U3I5W2 | Uncharacterized protein; | CEP44; | NULL | 386 | mallard |
| U3J5H0 | Uncharacterized protein; Fragment; | C11orf54; | NULL | 317 | mallard |
| U3IZE6 | Uncharacterized protein; Fragment; | CREB3L2; | NULL | 485 | mallard |
| U3IRP8 | Uncharacterized protein; Fragment; | STK35; | NULL | 236 | mallard |
| U3HYQ4 | Uncharacterized protein; Fragment; | APEH; | NULL | 51 | mallard |
| U3IHC9 | Uncharacterized protein; Fragment; | GPC5; | NULL | 488 | mallard |
| U3J3E1 | Uncharacterized protein; Fragment; | AKAP13; | NULL | 1078 | mallard |
| U3INA1 | Uncharacterized protein; Fragment; | ZC2HC1A; | NULL | 332 | mallard |
| U3J8A8 | Uncharacterized protein; Fragment; | NULL | NULL | 662 | mallard |
| U3IRN9 | Uncharacterized protein; Fragment; | LOC101792564; | NULL | 126 | mallard |
| U3IPY2 | Uncharacterized protein; Fragment; | LOC101798294; | NULL | 120 | mallard |
