| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISG4 | Uncharacterized protein; | NPC1L1; | NULL | 1118 | mallard |
| U3IIT4 | Uncharacterized protein; | RNF123; | NULL | 1309 | mallard |
| U3IPP9 | Uncharacterized protein; Fragment; | CDC27; | NULL | 835 | mallard |
| U3IFZ0 | Uncharacterized protein; Fragment; | POLB; | NULL | 228 | mallard |
| U3IV99 | Uncharacterized protein; Fragment; | C17orf97; | NULL | 49 | mallard |
| U3IV19 | Uncharacterized protein; Fragment; | SERPINF2; | NULL | 457 | mallard |
| U3IX68 | Uncharacterized protein; Fragment; | NULL | NULL | 461 | mallard |
| U3ILY4 | Uncharacterized protein; Fragment; | PSME3; | NULL | 76 | mallard |
| U3INQ2 | Uncharacterized protein; | LOC101797451; | NULL | 237 | mallard |
| U3IDS1 | Uncharacterized protein; Fragment; | WT1; | NULL | 362 | mallard |
| U3IQ83 | Uncharacterized protein; Fragment; | TM2D3; | NULL | 197 | mallard |
| U3IWH0 | Uncharacterized protein; Fragment; | SPPL2B; | NULL | 534 | mallard |
| U3IYZ1 | Uncharacterized protein; Fragment; | NULL | NULL | 130 | mallard |
| U3IZW4 | Uncharacterized protein; Fragment; | IMP3; | NULL | 84 | mallard |
| U3IKH9 | Uncharacterized protein; Fragment; | OTOG; | NULL | 2719 | mallard |
| U3J8C0 | Uncharacterized protein; | RASSF8; | NULL | 419 | mallard |
| U3IXH9 | Uncharacterized protein; | SAMD8; | NULL | 314 | mallard |
| U3J025 | Uncharacterized protein; Fragment; | AREG; | NULL | 212 | mallard |
| R0J8H1 | Uncharacterized protein; Fragment; | NULL | NULL | 36 | mallard |
| U3IVU0 | Uncharacterized protein; Fragment; | GHRHR; | NULL | 315 | mallard |
