| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IMA6 | Uncharacterized protein; Fragment; | COL25A1; | NULL | 521 | mallard |
| U3IS25 | Uncharacterized protein; Fragment; | LOC101803668; | NULL | 156 | mallard |
| U3IKV7 | Uncharacterized protein; Fragment; | N4BP2L2; | NULL | 205 | mallard |
| U3IS01 | Uncharacterized protein; Fragment; | PCYT1B; | NULL | 331 | mallard |
| U3IWA2 | Uncharacterized protein; Fragment; | LAMB4; | NULL | 591 | mallard |
| U3ITY9 | Uncharacterized protein; Fragment; | UPF3B; | XP_005020560.1; | 412 | mallard |
| U3ITN3 | Uncharacterized protein; Fragment; | NULL | NULL | 390 | mallard |
| U3J983 | Pannexin; Fragment; | PANX1; | NULL | 370 | mallard |
| U3IQ46 | Uncharacterized protein; Fragment; | SOBP; | NULL | 816 | mallard |
| U3ISA7 | Uncharacterized protein; | AKAP17A; | NULL | 692 | mallard |
| U3J8C2 | Uncharacterized protein; Fragment; | FLOT2; | NULL | 429 | mallard |
| U3IKZ2 | Uncharacterized protein; Fragment; | LRIG3; | NULL | 616 | mallard |
| U3IX26 | Uncharacterized protein; Fragment; | NULL | NULL | 47 | mallard |
| U3IX47 | Uncharacterized protein; Fragment; | MIPEP; | NULL | 650 | mallard |
| U3IZI7 | Uncharacterized protein; Fragment; | FIBCD1; | NULL | 420 | mallard |
| U3IYA0 | Uncharacterized protein; Fragment; | PLA2G3; | NULL | 216 | mallard |
| U3IZT2 | Uncharacterized protein; | PPP2R3B; | NULL | 577 | mallard |
| U3IXN6 | Uncharacterized protein; | GDPD2; | XP_005016656.1;XP_005016657.1; | 541 | mallard |
| U3J013 | Uncharacterized protein; Fragment; | NULL | NULL | 514 | mallard |
| U3IZQ8 | Uncharacterized protein; Fragment; | MRPL23; | NULL | 115 | mallard |
