| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISN6 | Uncharacterized protein; | GABRD; | XP_005011114.1; | 452 | mallard |
| U3IUH0 | Uncharacterized protein; Fragment; | PHKB; | NULL | 1067 | mallard |
| U3IXF2 | Uncharacterized protein; Fragment; | C6orf57; | NULL | 106 | mallard |
| U3ILC3 | Uncharacterized protein; Fragment; | PIGK; | NULL | 383 | mallard |
| U3ISC4 | Uncharacterized protein; | CLRN3; | XP_005022317.1; | 226 | mallard |
| U3IUR5 | Uncharacterized protein; | BTK; | NULL | 659 | mallard |
| U3IG63 | Uncharacterized protein; Fragment; | VPS4B; | NULL | 441 | mallard |
| U3IX07 | Uncharacterized protein; Fragment; | STAB2; | NULL | 2550 | mallard |
| U3IX51 | Uncharacterized protein; | CLEC3B; | NULL | 200 | mallard |
| U3IGF4 | Uncharacterized protein; Fragment; | ROBO1; | NULL | 1490 | mallard |
| U3J1Z3 | Uncharacterized protein; Fragment; | NULL | NULL | 126 | mallard |
| U3IYG1 | Uncharacterized protein; Fragment; | FBLIM1; | NULL | 273 | mallard |
| U3IZE8 | Uncharacterized protein; Fragment; | BCORL1; | NULL | 1354 | mallard |
| U3J4Y2 | Uncharacterized protein; | KIAA1211L; | NULL | 932 | mallard |
| U3J6K1 | Uncharacterized protein; Fragment; | TMEM40; | NULL | 72 | mallard |
| U3J5G6 | Uncharacterized protein; Fragment; | AMD1; | NULL | 303 | mallard |
| U3J6I0 | Uncharacterized protein; Fragment; | VPS25; | NULL | 68 | mallard |
| U3IR67 | Uncharacterized protein; Fragment; | HSD17B4; | NULL | 740 | mallard |
| U3IYF0 | Uncharacterized protein; Fragment; | PDGFC; | NULL | 325 | mallard |
| U3J0I3 | Uncharacterized protein; Fragment; | GYPC; | NULL | 81 | mallard |
