| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IL63 | Uncharacterized protein; Fragment; | ENGASE; | NULL | 486 | mallard |
| U3ICM8 | Uncharacterized protein; Fragment; | LMTK2; | NULL | 1446 | mallard |
| U3IF45 | Uncharacterized protein; Fragment; | TAF15; | NULL | 471 | mallard |
| U3ICC8 | Uncharacterized protein; | ANP32A; | NULL | 256 | mallard |
| U3IHR5 | Uncharacterized protein; Fragment; | TMEM165; | NULL | 257 | mallard |
| U3I7F1 | Gap junction protein; Fragment; | NULL | NULL | 227 | mallard |
| U3ILB1 | Uncharacterized protein; | ZC3H12D; | NULL | 321 | mallard |
| U3IAI3 | Uncharacterized protein; Fragment; | SECISBP2L; | NULL | 1083 | mallard |
| U3IHY3 | Uncharacterized protein; | LOC101805398; | XP_005020464.1; | 509 | mallard |
| U3IQI5 | Methylenetetrahydrofolate reductase; EC 1.5.1.20; | MTHFR; | NULL | 650 | mallard |
| U3IL86 | Uncharacterized protein; Fragment; | NULL | NULL | 279 | mallard |
| U3IQA8 | Uncharacterized protein; Fragment; | CIT; | NULL | 2052 | mallard |
| U3ICU0 | Uncharacterized protein; Fragment; | CBFB; | NULL | 132 | mallard |
| U3IL07 | Uncharacterized protein; Fragment; | LOC101793099; | NULL | 1275 | mallard |
| U3IXL0 | Uncharacterized protein; Fragment; | TGFB3; | NULL | 398 | mallard |
| U3IZG1 | Uncharacterized protein; | TMEM169; | XP_005030600.1; | 308 | mallard |
| U3IIN3 | Uncharacterized protein; Fragment; | NULL | NULL | 176 | mallard |
| U3ISP4 | Uncharacterized protein; | CLRN1; | XP_005023706.1; | 232 | mallard |
| U3IPS5 | Uncharacterized protein; Fragment; | NULL | NULL | 297 | mallard |
| U3J3F5 | Uncharacterized protein; Fragment; | C3orf38; | NULL | 290 | mallard |
