| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IEL5 | Uncharacterized protein; Fragment; | IDO2; | NULL | 260 | mallard |
| U3IYU4 | Uncharacterized protein; Fragment; | LOC101802642; | NULL | 418 | mallard |
| U3IBU0 | Uncharacterized protein; Fragment; | B4GALT3; | NULL | 152 | mallard |
| U3IUN9 | Uncharacterized protein; | PCDH7; | NULL | 994 | mallard |
| U3IH13 | Uncharacterized protein; Fragment; | AURKAIP1; | NULL | 163 | mallard |
| U3ISE4 | Uncharacterized protein; Fragment; | MYLK2; | NULL | 260 | mallard |
| U3J084 | Uncharacterized protein; Fragment; | NUFIP2; | NULL | 598 | mallard |
| U3IXK5 | Uncharacterized protein; Fragment; | VSTM2B; | NULL | 82 | mallard |
| U3IYD0 | Uncharacterized protein; Fragment; | NULL | NULL | 174 | mallard |
| U3IEY5 | Uncharacterized protein; Fragment; | CSTB; | NULL | 101 | mallard |
| U3IX89 | Uncharacterized protein; Fragment; | DAAM2; | NULL | 899 | mallard |
| U3IHM2 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; | UCHL1; | NULL | 223 | mallard |
| U3J4X9 | Galectin; Fragment; | LOC101802015; | NULL | 132 | mallard |
| U3J4G7 | Uncharacterized protein; | NDC80; | NULL | 646 | mallard |
| U3HYI9 | Uncharacterized protein; Fragment; | ANKRD34B; | NULL | 516 | mallard |
| U3I133 | Uncharacterized protein; Fragment; | LINGO3; | NULL | 609 | mallard |
| U3I1A9 | Uncharacterized protein; Fragment; | NULL | NULL | 34 | mallard |
| U3I1T7 | Uncharacterized protein; | NULL | NULL | 121 | mallard |
| U3J9K9 | Uncharacterized protein; | TAC1; | NULL | 114 | mallard |
| U3I0S8 | Uncharacterized protein; Fragment; | NULL | NULL | 112 | mallard |
