| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3HZ58 | Melanocyte-stimulating hormone receptor; MSH-R; Melanocortin receptor 1; Fragment; | MC1R; | NULL | 327 | mallard |
| U3ISU2 | Uncharacterized protein; Fragment; | ERI3; | NULL | 215 | mallard |
| U3I1I6 | Uncharacterized protein; Fragment; | NULL | NULL | 38 | mallard |
| U3IMF6 | Uncharacterized protein; Fragment; | RFFL; | NULL | 380 | mallard |
| U3ITM2 | Uncharacterized protein; Fragment; | RGMA; | NULL | 447 | mallard |
| U3IWV9 | Elongation of very long chain fatty acids protein; EC 2.3.1.199; Very-long-chain 3-oxoacyl-CoA synthase; | ELOVL3; | NULL | 264 | mallard |
| U3J029 | Uncharacterized protein; Fragment; | LRRC74A; | NULL | 472 | mallard |
| U3J9K5 | Uncharacterized protein; Fragment; | NULL | NULL | 133 | mallard |
| U3J461 | Uncharacterized protein; | POPDC3; | NULL | 584 | mallard |
| U3J927 | Uncharacterized protein; Fragment; | TARS; | NULL | 690 | mallard |
| U3J4H2 | Uncharacterized protein; Fragment; | NULL | NULL | 401 | mallard |
| U3IEW2 | Uncharacterized protein; Fragment; | PDHB; | NULL | 283 | mallard |
| U3J4K5 | Uncharacterized protein; Fragment; | LAMP5; | NULL | 187 | mallard |
| U3IQ04 | Uncharacterized protein; Fragment; | LOC101795581; | NULL | 198 | mallard |
| U3IXG3 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; Fragment; | USP10; | NULL | 790 | mallard |
| U3J884 | Uncharacterized protein; Fragment; | DKK3; | NULL | 296 | mallard |
| U3J804 | Uncharacterized protein; Fragment; | ZNF692; | NULL | 487 | mallard |
| U3IHX3 | Uncharacterized protein; Fragment; | COL20A1; | NULL | 1771 | mallard |
| U3J467 | Uncharacterized protein; Fragment; | FBXL15; | NULL | 233 | mallard |
| U3J3H7 | Uncharacterized protein; Fragment; | PPAPDC1B; | NULL | 259 | mallard |
