| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISB3 | Uncharacterized protein; | C4orf47; | XP_005009047.1;XP_005009048.1;XP_005009049.1; | 310 | mallard |
| U3ICX8 | Uncharacterized protein; Fragment; | CHMP1A; | NULL | 193 | mallard |
| U3ISS9 | Uncharacterized protein; Fragment; | ZNF710; | NULL | 314 | mallard |
| U3IPL6 | Uncharacterized protein; Fragment; | CHRNA2; | NULL | 290 | mallard |
| U3IJ04 | Uncharacterized protein; Fragment; | ACTR5; | NULL | 483 | mallard |
| U3IWS9 | Uncharacterized protein; Fragment; | LOC101792427; | NULL | 115 | mallard |
| U3IFS1 | Uncharacterized protein; | SALL4; | XP_005010492.1; | 1110 | mallard |
| U3IQL4 | Uncharacterized protein; Fragment; | LOC101792790; | NULL | 442 | mallard |
| U3IXA9 | Uncharacterized protein; Fragment; | FAM185A; | NULL | 227 | mallard |
| U3ILV7 | Uncharacterized protein; | SMARCD3; | NULL | 487 | mallard |
| U3IQQ9 | Uncharacterized protein; Fragment; | ZSWIM5; | NULL | 987 | mallard |
| U3IQM1 | Uncharacterized protein; Fragment; | DNAJB1; | NULL | 163 | mallard |
| U3ITP1 | Uncharacterized protein; Fragment; | LOC101797093; | NULL | 112 | mallard |
| U3IIY9 | Uncharacterized protein; | BCLAF1; | NULL | 918 | mallard |
| U3IWB9 | Uncharacterized protein; | ARSE; | NULL | 216 | mallard |
| U3IWX3 | Uncharacterized protein; Fragment; | SNX6; | NULL | 401 | mallard |
| U3J6Z9 | Uncharacterized protein; Fragment; | GDF11; | NULL | 236 | mallard |
| U3J0J3 | Pannexin; | PANX3; | NULL | 389 | mallard |
| U3J7M2 | Uncharacterized protein; Fragment; | PACS2; | NULL | 854 | mallard |
| U3J823 | Uncharacterized protein; Fragment; | NULL | NULL | 211 | mallard |
