| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3HZM0 | Uncharacterized protein; Fragment; | SPHK1; | NULL | 150 | mallard |
| U3ID56 | Uncharacterized protein; | FGGY; | NULL | 519 | mallard |
| R0LGY1 | Uncharacterized protein; | NULL | NULL | 241 | mallard |
| U3I5I7 | Uncharacterized protein; | MBTD1; | XP_005016096.1; | 628 | mallard |
| R0J8I0 | Feather keratin 2; Fragment; | NULL | NULL | 114 | mallard |
| U3IC63 | Uncharacterized protein; Fragment; | MBTPS1; | NULL | 1058 | mallard |
| U3IC10 | Uncharacterized protein; | KIAA0513; | NULL | 355 | mallard |
| U3IAA2 | Uncharacterized protein; Fragment; | OVCH1; | NULL | 1497 | mallard |
| U3IE33 | Uncharacterized protein; | TGFB2; | NULL | 129 | mallard |
| U3IGW3 | Uncharacterized protein; Fragment; | NULL | NULL | 270 | mallard |
| U3IHG5 | Uncharacterized protein; | COA7; | NULL | 230 | mallard |
| U3IIN2 | Uncharacterized protein; Fragment; | KLHL5; | NULL | 675 | mallard |
| U3ICN7 | Uncharacterized protein; Fragment; | RPL12; | NULL | 132 | mallard |
| U3IHX7 | Uncharacterized protein; Fragment; | SH3GL2; | NULL | 370 | mallard |
| U3II08 | Uncharacterized protein; Fragment; | CTU2; | NULL | 107 | mallard |
| U3IUD7 | Uncharacterized protein; Fragment; | RPL39; | NULL | 51 | mallard |
| U3IKG8 | Uncharacterized protein; | LRRC48; | NULL | 521 | mallard |
| R0LXY2 | Putative ATP-dependent RNA helicase DDX47; Fragment; | NULL | NULL | 423 | mallard |
| U3I7Y8 | Uncharacterized protein; Fragment; | ATR; | NULL | 2629 | mallard |
| U3IV44 | Uncharacterized protein; Fragment; | UGGT2; | NULL | 1469 | mallard |
