| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I4H8 | Uncharacterized protein; | NFYA; | NULL | 348 | mallard |
| U3IRX2 | Uncharacterized protein; Fragment; | SRSF11; | NULL | 458 | mallard |
| U3IQQ7 | Uncharacterized protein; Fragment; | NULL | NULL | 647 | mallard |
| U3IPN2 | Olfactory receptor; | LOC101791253; | NULL | 310 | mallard |
| U3IDJ4 | Uncharacterized protein; Fragment; | LOC101803492; | NULL | 244 | mallard |
| U3I5B6 | Uncharacterized protein; | SESTD1; | NULL | 649 | mallard |
| U3IJD3 | Uncharacterized protein; | MID1; | NULL | 667 | mallard |
| U3ILU2 | Uncharacterized protein; Fragment; | PLB1; | NULL | 1446 | mallard |
| U3IMF5 | Uncharacterized protein; Fragment; | NUDT3; | NULL | 137 | mallard |
| U3I723 | Uncharacterized protein; Fragment; | SGSM2; | NULL | 1094 | mallard |
| U3I614 | Uncharacterized protein; Fragment; | MAT2A; | NULL | 222 | mallard |
| U3IWL0 | Uncharacterized protein; | GABRA4; | NULL | 498 | mallard |
| U3IQP0 | Uncharacterized protein; Fragment; | LOC101805337; | NULL | 269 | mallard |
| U3IYR3 | Uncharacterized protein; | NULL | NULL | 105 | mallard |
| U3IZ69 | Uncharacterized protein; Fragment; | AAR2; | NULL | 329 | mallard |
| U3J2J0 | Uncharacterized protein; Fragment; | FAM221A; | NULL | 274 | mallard |
| U3ISZ8 | Uncharacterized protein; Fragment; | NULL | NULL | 447 | mallard |
| U3ILH2 | Uncharacterized protein; Fragment; | IGBP1; | NULL | 280 | mallard |
| U3IX59 | Uncharacterized protein; Fragment; | LOC101801906; | NULL | 489 | mallard |
| U3IJG1 | Uncharacterized protein; Fragment; | CDK9; | NULL | 311 | mallard |
