| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISJ4 | Piwi-like protein; Fragment; | AGO1; | NULL | 866 | mallard |
| U3IES9 | Uncharacterized protein; Fragment; | NULL | NULL | 180 | mallard |
| U3IDQ4 | Uncharacterized protein; | SH3BP2; | NULL | 536 | mallard |
| U3IA07 | Uncharacterized protein; Fragment; | ARHGEF9; | NULL | 516 | mallard |
| U3I931 | Uncharacterized protein; Fragment; | LOC101805037; | NULL | 102 | mallard |
| U3I9N9 | Uncharacterized protein; Fragment; | LOC101790957; | NULL | 99 | mallard |
| U3IFR5 | Uncharacterized protein; Fragment; | MFAP1; | NULL | 351 | mallard |
| U3IEU1 | Uncharacterized protein; Fragment; | FER1L6; | NULL | 1849 | mallard |
| U3IEU9 | Uncharacterized protein; Fragment; | SEMA5A; | NULL | 1011 | mallard |
| U3IIV9 | Uncharacterized protein; Fragment; | LOC101803136; | NULL | 137 | mallard |
| U3IJ13 | Uncharacterized protein; Fragment; | ARID1B; | NULL | 1567 | mallard |
| U3IF99 | Uncharacterized protein; | BCKDHB; | XP_005025308.1; | 322 | mallard |
| U3IER5 | Uncharacterized protein; | NULL | NULL | 86 | mallard |
| U3I9P8 | Uncharacterized protein; Fragment; | POLG; | NULL | 971 | mallard |
| U3IHY5 | Uncharacterized protein; Fragment; | DDB1; | NULL | 1135 | mallard |
| U3IFM0 | Uncharacterized protein; Fragment; | NAPG; | NULL | 315 | mallard |
| U3IJH5 | Uncharacterized protein; Fragment; | NULL | NULL | 411 | mallard |
| U3I6U2 | Uncharacterized protein; Fragment; | NULL | NULL | 207 | mallard |
| U3IEZ7 | Uncharacterized protein; | RNPS1; | NULL | 291 | mallard |
| U3IJI6 | Sodium/hydrogen exchanger; Fragment; | SLC9A5; | NULL | 792 | mallard |
