| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IDN9 | Uncharacterized protein; Fragment; | LOC101796343; | NULL | 605 | mallard |
| U3IFD7 | Uncharacterized protein; | CCDC73; | NULL | 1027 | mallard |
| U3IDH3 | Uncharacterized protein; Fragment; | BRICD5; | NULL | 220 | mallard |
| U3IAZ3 | Uncharacterized protein; | RXRG; | NULL | 468 | mallard |
| U3ILP1 | Uncharacterized protein; Fragment; | NULL | NULL | 541 | mallard |
| U3I4Q9 | Uncharacterized protein; Fragment; | TG; | NULL | 2706 | mallard |
| U3IPN0 | Uncharacterized protein; | GUCA1B; | NULL | 182 | mallard |
| U3I567 | Uncharacterized protein; Fragment; | COPB2; | NULL | 912 | mallard |
| U3IW57 | Uncharacterized protein; Fragment; | NULL | NULL | 67 | mallard |
| U3INA7 | Uncharacterized protein; | JPH2; | NULL | 651 | mallard |
| U3J064 | Uncharacterized protein; Fragment; | MRPL46; | NULL | 232 | mallard |
| U3IJ12 | Uncharacterized protein; Fragment; | FAM43B; | NULL | 123 | mallard |
| U3IX85 | Uncharacterized protein; | NR4A2; | NULL | 502 | mallard |
| U3I7A6 | Uncharacterized protein; Fragment; | HDAC10; | NULL | 659 | mallard |
| U3J9N4 | Uncharacterized protein; Fragment; | GULP1; | NULL | 275 | mallard |
| U3IFX7 | Uncharacterized protein; Fragment; | CLNS1A; | NULL | 199 | mallard |
| U3IRS8 | Uncharacterized protein; Fragment; | SNX14; | NULL | 904 | mallard |
| U3J4Z4 | Uncharacterized protein; Fragment; | C1orf158; | NULL | 222 | mallard |
| U3IRP1 | Uncharacterized protein; Fragment; | EMC8; | NULL | 136 | mallard |
| V9HXR4 | MHC class I antigen heavy chain; Fragment; | NULL | NULL | 345 | mallard |
