| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IRB6 | Uncharacterized protein; | NAALADL2; | NULL | 317 | mallard |
| U3IYS8 | Uncharacterized protein; | MREG; | NULL | 197 | mallard |
| U3J5S5 | Uncharacterized protein; Fragment; | LOC101804810; | NULL | 228 | mallard |
| U3IUC5 | Uncharacterized protein; Fragment; | FANCM; | NULL | 1853 | mallard |
| U3ISF5 | Glutamine synthetase; EC 6.3.1.2; Fragment; | GLUL; | NULL | 403 | mallard |
| U3ISD0 | Uncharacterized protein; Fragment; | PWP2; | NULL | 915 | mallard |
| U3IZ76 | Uncharacterized protein; Fragment; | LOC101791332; | NULL | 2374 | mallard |
| U3J6B0 | Uncharacterized protein; Fragment; | PAWR; | NULL | 113 | mallard |
| U3J8E7 | Uncharacterized protein; Fragment; | NULL | NULL | 121 | mallard |
| U3I685 | Uncharacterized protein; Fragment; | OTX2; | NULL | 241 | mallard |
| U3J6P4 | Uncharacterized protein; | CEP83; | NULL | 716 | mallard |
| U3IFE4 | Uncharacterized protein; Fragment; | NULL | NULL | 181 | mallard |
| U3J5K6 | Uncharacterized protein; Fragment; | DCP1A; | NULL | 588 | mallard |
| U3J974 | Uncharacterized protein; Fragment; | TSR3; | NULL | 236 | mallard |
| U3ISW6 | Uncharacterized protein; Fragment; | FBXW4; | NULL | 323 | mallard |
| U3IW06 | Uncharacterized protein; Fragment; | NULL | NULL | 321 | mallard |
| U3IT64 | Uncharacterized protein; Fragment; | SLC8A2; | NULL | 236 | mallard |
| U3J1V2 | Uncharacterized protein; | CAMK4; | NULL | 158 | mallard |
| U3IQB4 | Uncharacterized protein; | HAO2; | NULL | 373 | mallard |
| U3IMF0 | Uncharacterized protein; Fragment; | BYSL; | NULL | 330 | mallard |
