| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I1C8 | Uncharacterized protein; Fragment; | NULL | NULL | 124 | mallard |
| U3ICS5 | Uncharacterized protein; Fragment; | CIAO1; | NULL | 132 | mallard |
| U3IIA4 | Uncharacterized protein; Fragment; | WDFY2; | NULL | 354 | mallard |
| U3II07 | Uncharacterized protein; Fragment; | NGFR; | NULL | 420 | mallard |
| U3I5Y7 | Uncharacterized protein; Fragment; | NR2F6; | NULL | 206 | mallard |
| U3IIY3 | Uncharacterized protein; Fragment; | C5; | NULL | 1542 | mallard |
| U3J9A9 | Uncharacterized protein; Fragment; | HMGCS2; | NULL | 474 | mallard |
| U3ILY3 | Uncharacterized protein; Fragment; | ARHGAP29; | NULL | 1207 | mallard |
| U3J584 | Uncharacterized protein; Fragment; | STK3; | NULL | 439 | mallard |
| U3IL36 | Uncharacterized protein; Fragment; | OSCP1; | NULL | 356 | mallard |
| U3IJ91 | Uncharacterized protein; Fragment; | LRP2; | NULL | 4654 | mallard |
| U3IJJ4 | Uncharacterized protein; | PHF21B; | NULL | 529 | mallard |
| U3IMA8 | Uncharacterized protein; Fragment; | TNFSF13B; | NULL | 294 | mallard |
| U3ICP2 | Uncharacterized protein; Fragment; | EXOC3L1; | NULL | 751 | mallard |
| U3IW52 | Uncharacterized protein; Fragment; | NULL | NULL | 64 | mallard |
| U3IPZ2 | Uncharacterized protein; Fragment; | NULL | NULL | 266 | mallard |
| U3IIB9 | Uncharacterized protein; Fragment; | MYH9; | NULL | 1907 | mallard |
| U3IWP2 | Beta-defensin; | LOC101795101; | NULL | 65 | mallard |
| U3ILW8 | Uncharacterized protein; Fragment; | HAP1; | NULL | 489 | mallard |
| U3ISX4 | Uncharacterized protein; Fragment; | DNAJC9; | NULL | 216 | mallard |
