| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IJW6 | Uncharacterized protein; Fragment; | RTN4R; | NULL | 438 | mallard |
| U3INS6 | Uncharacterized protein; | ADAMTS6; | NULL | 1128 | mallard |
| U3IFP0 | Uncharacterized protein; Fragment; | SKA3; | NULL | 426 | mallard |
| U3IQ34 | Uncharacterized protein; Fragment; | AMPD1; | NULL | 701 | mallard |
| U3IRN6 | Uncharacterized protein; Fragment; | LOC101799086; | NULL | 136 | mallard |
| U3ISK2 | Uncharacterized protein; | LOC101796373; | NULL | 92 | mallard |
| U3IUI6 | Uncharacterized protein; Fragment; | LOC101792531; | NULL | 237 | mallard |
| U3IPU6 | Uncharacterized protein; Fragment; | SLC17A6; | NULL | 573 | mallard |
| U3IUW5 | Uncharacterized protein; | DNAJC3; | NULL | 506 | mallard |
| U3IPW5 | Uncharacterized protein; Fragment; | LOC101798033; | NULL | 506 | mallard |
| U3IRB1 | Serine/threonine-protein phosphatase; EC 3.1.3.16; | PPEF1; | NULL | 634 | mallard |
| U3I8L1 | Uncharacterized protein; | XPO1; | XP_005016964.1; | 1071 | mallard |
| U3IW34 | Uncharacterized protein; Fragment; | SESN1; | NULL | 497 | mallard |
| U3I6U6 | Uncharacterized protein; | SSBP3; | NULL | 279 | mallard |
| U3ISS6 | Uncharacterized protein; Fragment; | ZNF710; | NULL | 343 | mallard |
| U3IYJ4 | Uncharacterized protein; Fragment; | ADAMTS2; | NULL | 985 | mallard |
| U3J7Y3 | Uncharacterized protein; Fragment; | OPRM1; | NULL | 328 | mallard |
| U3IL87 | Uncharacterized protein; Fragment; | PACSIN1; | NULL | 443 | mallard |
| U3J235 | Uncharacterized protein; Fragment; | SLC35G1; | NULL | 304 | mallard |
| U3IYW3 | Uncharacterized protein; Fragment; | TNFAIP2; | NULL | 578 | mallard |
