| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IUN2 | Uncharacterized protein; Fragment; | DDX1; | NULL | 750 | mallard |
| U3J2B5 | Uncharacterized protein; Fragment; | SLC12A5; | NULL | 949 | mallard |
| U3I1R5 | Uncharacterized protein; Fragment; | NULL | NULL | 47 | mallard |
| U3J097 | Uncharacterized protein; Fragment; | TIMM23; | NULL | 171 | mallard |
| U3ID47 | Uncharacterized protein; Fragment; | CD47; | NULL | 301 | mallard |
| U3IP82 | Uncharacterized protein; Fragment; | LOC101798232; | NULL | 255 | mallard |
| U3IG54 | Uncharacterized protein; | NEXN; | NULL | 723 | mallard |
| U3ISZ6 | Uncharacterized protein; Fragment; | TM9SF3; | NULL | 556 | mallard |
| U3ILI2 | Uncharacterized protein; Fragment; | SLC9A3R2; | NULL | 226 | mallard |
| U3IIW3 | Uncharacterized protein; | CARF; | NULL | 726 | mallard |
| U3IPV7 | Uncharacterized protein; Fragment; | PLD3; | NULL | 138 | mallard |
| U3J5H5 | Uncharacterized protein; Fragment; | NULL | NULL | 283 | mallard |
| U3IMD5 | Uncharacterized protein; Fragment; | NULL | NULL | 66 | mallard |
| U3IXB6 | Uncharacterized protein; | FGL2; | XP_005013718.1; | 442 | mallard |
| U3IMB5 | Uncharacterized protein; Fragment; | KIAA0195; | NULL | 1361 | mallard |
| U3IM26 | Uncharacterized protein; Fragment; | PECAM1; | NULL | 698 | mallard |
| U3IZM7 | Uncharacterized protein; Fragment; | RAB3IP; | NULL | 476 | mallard |
| U3HZG0 | Uncharacterized protein; Fragment; | NULL | NULL | 31 | mallard |
| U3IZB9 | Uncharacterized protein; Fragment; | PTDSS1; | NULL | 477 | mallard |
| U3I1M6 | Uncharacterized protein; Fragment; | NULL | NULL | 32 | mallard |
