| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ID19 | Uncharacterized protein; Fragment; | IRG1; | NULL | 473 | mallard |
| U3I8S7 | Uncharacterized protein; Fragment; | COX11; | NULL | 158 | mallard |
| U3I0D4 | Uncharacterized protein; Fragment; | ST6GALNAC4; | NULL | 209 | mallard |
| U3I0M3 | Olfactory receptor; | LOC101802455; | NULL | 310 | mallard |
| U3J7Z9 | Methionine aminopeptidase; EC 3.4.11.18; Fragment; | METAP1; | NULL | 350 | mallard |
| U3HZI7 | Uncharacterized protein; | KCNAB2; | NULL | 363 | mallard |
| U3J6Y7 | Uncharacterized protein; | POLR2K; | XP_005027074.1; | 58 | mallard |
| U3I8H9 | Uncharacterized protein; Fragment; | FAM76A; | NULL | 283 | mallard |
| U3I2P0 | Uncharacterized protein; Fragment; | CSF2RB; | NULL | 450 | mallard |
| U3I8K2 | Uncharacterized protein; Fragment; | LOC101794771; | NULL | 614 | mallard |
| U3HYP7 | Uncharacterized protein; Fragment; | NULL | NULL | 60 | mallard |
| U3I8Q9 | Uncharacterized protein; Fragment; | TLR7; | NULL | 1048 | mallard |
| U3I0Y3 | Uncharacterized protein; Fragment; | LOC101796840; | NULL | 45 | mallard |
| U3I318 | Uncharacterized protein; | LOC101794834; | XP_005030419.1; | 107 | mallard |
| U3J0X4 | Uncharacterized protein; Fragment; | ARRDC3; | NULL | 321 | mallard |
| U3I8T6 | Uncharacterized protein; Fragment; | ACTA1; | NULL | 360 | mallard |
| U3J281 | Uncharacterized protein; Fragment; | KIZ; | NULL | 551 | mallard |
| U3I2L4 | Uncharacterized protein; Fragment; | IFNGR1; | NULL | 414 | mallard |
| U3I9F5 | Uncharacterized protein; Fragment; | LOC101798268; | NULL | 544 | mallard |
| U3IJN4 | Uncharacterized protein; | HELZ; | XP_005016149.1; | 1942 | mallard |
