| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3HYW5 | Uncharacterized protein; Fragment; | SPERT; | NULL | 327 | mallard |
| U3IFB8 | Uncharacterized protein; Fragment; | RNF19B; | NULL | 514 | mallard |
| U3IHR2 | Uncharacterized protein; | HEMK1; | NULL | 346 | mallard |
| U3IBA0 | Uncharacterized protein; Fragment; | LOC101792772; | NULL | 151 | mallard |
| U3IMI8 | P2X purinoceptor; Fragment; | P2RX6; | NULL | 377 | mallard |
| U3INZ7 | Peptidyl-prolyl cis-trans isomerase; EC 5.2.1.8; Fragment; | LOC101794590; | NULL | 118 | mallard |
| U3IGE9 | Uncharacterized protein; Fragment; | LOC101793831; | NULL | 151 | mallard |
| U3J164 | Uncharacterized protein; Fragment; | LOC101796292; | NULL | 398 | mallard |
| U3IHJ2 | Uncharacterized protein; Fragment; | LOC101803552; | NULL | 586 | mallard |
| U3IZ34 | Uncharacterized protein; Fragment; | TTC33; | NULL | 218 | mallard |
| U3IK10 | Uncharacterized protein; Fragment; | CNNM1; | NULL | 546 | mallard |
| U3J1C5 | Uncharacterized protein; | ALPK1; | NULL | 1147 | mallard |
| U3ICJ3 | Uncharacterized protein; Fragment; | LOC101804597; | NULL | 372 | mallard |
| U3IUA3 | Uncharacterized protein; | SPC25; | NULL | 233 | mallard |
| U3IKS4 | Uncharacterized protein; Fragment; | ARHGAP21; | NULL | 1981 | mallard |
| U3J4N5 | Uncharacterized protein; Fragment; | A2ML1; | NULL | 1462 | mallard |
| U3J2C5 | Uncharacterized protein; Fragment; | NULL | NULL | 330 | mallard |
| U3IBI3 | Uncharacterized protein; Fragment; | STYXL1; | NULL | 310 | mallard |
| U3J1F4 | Uncharacterized protein; Fragment; | BANK1; | NULL | 136 | mallard |
| U3J1U2 | Uncharacterized protein; Fragment; | SLC2A3; | NULL | 476 | mallard |
