| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISM4 | Uncharacterized protein; Fragment; | SP4; | NULL | 780 | mallard |
| U3IIZ3 | Uncharacterized protein; Fragment; | SUPT20H; | NULL | 687 | mallard |
| U3IW59 | Uncharacterized protein; Fragment; | NULL | NULL | 121 | mallard |
| U3ISR5 | Uncharacterized protein; Fragment; | LASP1; | NULL | 262 | mallard |
| U3ISS5 | Uncharacterized protein; Fragment; | ZNF710; | NULL | 379 | mallard |
| U3ISR8 | Uncharacterized protein; Fragment; | MARK3; | NULL | 600 | mallard |
| U3IW94 | Uncharacterized protein; Fragment; | NULL | NULL | 1098 | mallard |
| U3ISN3 | Uncharacterized protein; Fragment; | FBXO7; | NULL | 468 | mallard |
| U3IWB0 | Uncharacterized protein; Fragment; | NULL | NULL | 370 | mallard |
| U3IPS8 | Uncharacterized protein; Fragment; | SMARCD2; | NULL | 460 | mallard |
| U3IDK5 | Uncharacterized protein; Fragment; | NULL | NULL | 1370 | mallard |
| U3IST1 | Uncharacterized protein; Fragment; | MYO7B; | NULL | 1974 | mallard |
| U3IPV0 | Uncharacterized protein; | LOC101804808; | NULL | 501 | mallard |
| U3IWD5 | Uncharacterized protein; Fragment; | C1orf100; | NULL | 94 | mallard |
| U3ISE8 | Uncharacterized protein; Fragment; | APAF1; | NULL | 1248 | mallard |
| U3IWI9 | Uncharacterized protein; Fragment; | XIRP2; | NULL | 696 | mallard |
| U3IW87 | Uncharacterized protein; Fragment; | LOC101799932; | NULL | 115 | mallard |
| U3IWG8 | Uncharacterized protein; Fragment; | LOC101800605; | NULL | 233 | mallard |
| U3ISL4 | Uncharacterized protein; Fragment; | RS1; | NULL | 217 | mallard |
| U3IWF8 | Uncharacterized protein; Fragment; | TNNI3K; | NULL | 860 | mallard |
