| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3INX6 | Uncharacterized protein; Fragment; | MAMDC2; | NULL | 645 | mallard |
| U3IN98 | Uncharacterized protein; Fragment; | TEX14; | NULL | 1348 | mallard |
| U3ISH3 | Uncharacterized protein; Fragment; | NULL | NULL | 748 | mallard |
| U3IF32 | Uncharacterized protein; Fragment; | ANK1; | NULL | 1879 | mallard |
| U3IEP3 | Uncharacterized protein; Fragment; | FABP4; | NULL | 133 | mallard |
| U3IE00 | Uncharacterized protein; | LOC101794099; | NULL | 162 | mallard |
| U3IMZ9 | Uncharacterized protein; Fragment; | APP; | NULL | 353 | mallard |
| U3ITF4 | Uncharacterized protein; | NULL | NULL | 314 | mallard |
| U3IS80 | Uncharacterized protein; Fragment; | ETV5; | NULL | 505 | mallard |
| U3IXU6 | Uncharacterized protein; Fragment; | CNPPD1; | NULL | 95 | mallard |
| U3IN87 | Uncharacterized protein; Fragment; | PLEKHA5; | NULL | 1042 | mallard |
| U3IWW0 | Uncharacterized protein; Fragment; | PSIP1; | NULL | 511 | mallard |
| U3IXD7 | Uncharacterized protein; Fragment; | OTUD6B; | NULL | 304 | mallard |
| U3INN8 | Uncharacterized protein; Fragment; | CNGA2; | NULL | 660 | mallard |
| U3ITS7 | Uncharacterized protein; | LOC101797179; | NULL | 2113 | mallard |
| U3IZW8 | Uncharacterized protein; Fragment; | DSN1; | NULL | 215 | mallard |
| U3J1H3 | Uncharacterized protein; | GABRA1; | NULL | 456 | mallard |
| U3INZ2 | Uncharacterized protein; Fragment; | SAP130; | NULL | 962 | mallard |
| U3J1C8 | Uncharacterized protein; | MAPK9; | NULL | 428 | mallard |
| U3IWC2 | Uncharacterized protein; Fragment; | NUDT19; | NULL | 183 | mallard |
