| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IL15 | Uncharacterized protein; | ABTB2; | NULL | 1020 | mallard |
| U3IP58 | Uncharacterized protein; Fragment; | COL8A2; | NULL | 370 | mallard |
| U3IRN5 | Uncharacterized protein; Fragment; | SPATA16; | NULL | 522 | mallard |
| U3IYS9 | Uncharacterized protein; Fragment; | DEGS1; | NULL | 325 | mallard |
| U3IEW1 | Galectin; Fragment; | LGALS3; | NULL | 241 | mallard |
| U3IP43 | Uncharacterized protein; Fragment; | P4HA1; | NULL | 517 | mallard |
| U3I6S5 | Uncharacterized protein; | NULL | NULL | 380 | mallard |
| U3IWG0 | Uncharacterized protein; | FN3KRP; | NULL | 311 | mallard |
| U3IWJ4 | Uncharacterized protein; Fragment; | ACTL6A; | NULL | 429 | mallard |
| U3I3V6 | Uncharacterized protein; | NIN; | NULL | 2104 | mallard |
| U3IWF7 | Uncharacterized protein; | FAM126A; | XP_005020574.1;XP_005020575.1;XP_005020576.1;XP_005020577.1;XP_005020578.1;XP_005020579.1;XP_005020580.1; | 515 | mallard |
| U3J4J4 | Glucosylceramidase; EC 3.2.1.45; Fragment; | NULL | NULL | 138 | mallard |
| U3J5I1 | Uncharacterized protein; | PLEKHA2; | NULL | 397 | mallard |
| U3J1R2 | Uncharacterized protein; Fragment; | SPAG6; | NULL | 470 | mallard |
| U3J4I2 | Uncharacterized protein; Fragment; | LOC101792579; | NULL | 418 | mallard |
| U3I9K1 | Uncharacterized protein; Fragment; | SPATA22; | NULL | 139 | mallard |
| U3IPR6 | Uncharacterized protein; Fragment; | CHRD; | NULL | 666 | mallard |
| U3IZS4 | Uncharacterized protein; Fragment; | IGF2; | NULL | 192 | mallard |
| U3J6W1 | Uncharacterized protein; Fragment; | RPL26; | NULL | 157 | mallard |
| U3J1P3 | Uncharacterized protein; | MIIP; | NULL | 172 | mallard |
