| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3INK3 | Uncharacterized protein; Fragment; | TIAL1; | NULL | 389 | mallard |
| U3IAG3 | Uncharacterized protein; Fragment; | BRE; | XP_005030414.1; | 314 | mallard |
| U3IR03 | Uncharacterized protein; | NOL10; | NULL | 689 | mallard |
| U3IFG0 | Uncharacterized protein; | SHANK2; | NULL | 1841 | mallard |
| U3I9R0 | Uncharacterized protein; Fragment; | C1orf35; | NULL | 146 | mallard |
| U3IRE6 | Uncharacterized protein; Fragment; | QKI; | NULL | 288 | mallard |
| U3IU18 | Uncharacterized protein; Fragment; | LOC101801613; | NULL | 82 | mallard |
| U3INR0 | Uncharacterized protein; Fragment; | ARL5A; | NULL | 181 | mallard |
| U3IZJ2 | Uncharacterized protein; Fragment; | SEZ6L; | NULL | 712 | mallard |
| U3J2I3 | Uncharacterized protein; | NT5C2; | NULL | 370 | mallard |
| U3IX86 | Uncharacterized protein; Fragment; | BCL2L14; | NULL | 157 | mallard |
| U3IS61 | Uncharacterized protein; Fragment; | LOC101803396; | NULL | 311 | mallard |
| U3J934 | Uncharacterized protein; Fragment; | C19orf45; | NULL | 364 | mallard |
| U3IU85 | Uncharacterized protein; Fragment; | MTHFD1; | NULL | 938 | mallard |
| U3IQZ7 | Uncharacterized protein; Fragment; | ERLEC1; | NULL | 434 | mallard |
| U3J6M7 | Uridine-cytidine kinase; EC 2.7.1.48; Fragment; | UCKL1; | NULL | 546 | mallard |
| U3IP25 | Uncharacterized protein; Fragment; | LOC101797746; | NULL | 319 | mallard |
| U3J008 | Uncharacterized protein; Fragment; | GMNN; | NULL | 224 | mallard |
| U3J7S0 | Uncharacterized protein; Fragment; | TRIM65; | NULL | 129 | mallard |
| U3ITA9 | Uncharacterized protein; Fragment; | ACADM; | NULL | 422 | mallard |
