| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IMX1 | Enhancer of polycomb homolog; Fragment; | EPC1; | NULL | 793 | mallard |
| U3IMQ6 | Uncharacterized protein; Fragment; | PTPRC; | NULL | 1203 | mallard |
| U3IR27 | Uncharacterized protein; Fragment; | MCMBP; | NULL | 634 | mallard |
| U3IQU1 | Uncharacterized protein; Fragment; | TPPP; | NULL | 175 | mallard |
| U3IQY1 | Gap junction protein; | GJA9; | NULL | 500 | mallard |
| U3IQS0 | Uncharacterized protein; Fragment; | NULL | NULL | 170 | mallard |
| U3IR18 | Uncharacterized protein; Fragment; | HHIP; | NULL | 615 | mallard |
| U3IR59 | Uncharacterized protein; Fragment; | TSC22D2; | NULL | 712 | mallard |
| U3IRA7 | Uncharacterized protein; Fragment; | TNRC18; | NULL | 343 | mallard |
| U3IQW9 | Uncharacterized protein; Fragment; | GNAI2; | NULL | 316 | mallard |
| U3IR81 | Tyrosine-protein kinase receptor; EC 2.7.10.1; Fragment; | NTRK2; | NULL | 279 | mallard |
| U3IRC8 | Uncharacterized protein; Fragment; | ASCL4; | NULL | 147 | mallard |
| U3IR82 | Uncharacterized protein; Fragment; | NBEA; | NULL | 760 | mallard |
| U3IR30 | Uncharacterized protein; Fragment; | FBXW11; | NULL | 553 | mallard |
| U3IRC0 | Uncharacterized protein; Fragment; | RANBP3; | NULL | 513 | mallard |
| U3IN25 | Uncharacterized protein; Fragment; | SLC16A10; | NULL | 402 | mallard |
| U3IR75 | Uncharacterized protein; Fragment; | LPAR1; | NULL | 260 | mallard |
| U3IRC3 | Uncharacterized protein; Fragment; | PARP14; | NULL | 1747 | mallard |
| U3IQZ9 | Uncharacterized protein; Fragment; | TAF10; | NULL | 67 | mallard |
| U3IN79 | DNA ligase; EC 6.5.1.1; Fragment; | LIG3; | NULL | 907 | mallard |
