| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IL43 | Estradiol 17-beta-dehydrogenase 12; Fragment; | HSD17B12; | NULL | 264 | mallard |
| U3J0G7 | Uncharacterized protein; Fragment; | NSMCE4A; | NULL | 336 | mallard |
| U3IF78 | Uncharacterized protein; Fragment; | PRKAR2A; | NULL | 304 | mallard |
| U3IZV2 | Uncharacterized protein; Fragment; | C10orf11; | NULL | 144 | mallard |
| U3IQQ3 | Glucosamine-6-phosphate isomerase; EC 3.5.99.6; Glucosamine-6-phosphate deaminase; | GNPDA2; | XP_005015467.1; | 275 | mallard |
| U3ICQ1 | Uncharacterized protein; Fragment; | KLHL38; | NULL | 588 | mallard |
| U3J0L3 | Uncharacterized protein; Fragment; | STX2; | NULL | 286 | mallard |
| U3IM72 | Uncharacterized protein; | LOC101794013; | NULL | 217 | mallard |
| U3I2X4 | Uncharacterized protein; Fragment; | NULL | NULL | 50 | mallard |
| U3I1G0 | Uncharacterized protein; Fragment; | NULL | NULL | 52 | mallard |
| U3I4A4 | Uncharacterized protein; Fragment; | MYPN; | NULL | 1334 | mallard |
| U3J007 | Uncharacterized protein; Fragment; | FKBP7; | NULL | 151 | mallard |
| U3J3Y5 | Uncharacterized protein; Fragment; | LOC101790386; | NULL | 105 | mallard |
| U3J422 | Uncharacterized protein; | LOC101799353; | NULL | 464 | mallard |
| U3J7U6 | Uncharacterized protein; Fragment; | KLHL21; | NULL | 285 | mallard |
| U3IP65 | Uncharacterized protein; | ATP5B; | NULL | 141 | mallard |
| U3IT50 | Uncharacterized protein; Fragment; | NULL | NULL | 120 | mallard |
| U3J347 | Uncharacterized protein; | SLC7A11; | NULL | 502 | mallard |
| U3IC49 | Uncharacterized protein; Fragment; | TMED4; | NULL | 97 | mallard |
| U3ICP4 | Uncharacterized protein; Fragment; | LOC101800529; | NULL | 161 | mallard |
