| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I3B2 | Uncharacterized protein; Fragment; | STC2; | NULL | 254 | mallard |
| U3IAV5 | Uncharacterized protein; Fragment; | TMEM70; | NULL | 189 | mallard |
| U3IID1 | Uncharacterized protein; Fragment; | LOC101790388; | NULL | 206 | mallard |
| U3IE52 | Uncharacterized protein; | DYDC1; | NULL | 145 | mallard |
| U3ICT6 | Uncharacterized protein; Fragment; | NPLOC4; | NULL | 585 | mallard |
| U3HZ65 | Uncharacterized protein; Fragment; | NULL | NULL | 37 | mallard |
| U3IGW8 | Uncharacterized protein; | BBS9; | NULL | 704 | mallard |
| U3IIK3 | Uncharacterized protein; Fragment; | GDPD4; | NULL | 507 | mallard |
| U3IGI4 | Uncharacterized protein; Fragment; | YEATS2; | NULL | 1371 | mallard |
| U3IHH4 | Uncharacterized protein; Fragment; | RGS17; | NULL | 217 | mallard |
| U3IDN8 | Uncharacterized protein; | MMP7; | NULL | 265 | mallard |
| U3ILX2 | Uncharacterized protein; Fragment; | RBFOX3; | NULL | 300 | mallard |
| U3IJB4 | Uncharacterized protein; | CLRN2; | XP_005012952.1; | 232 | mallard |
| U3ICM3 | Uncharacterized protein; Fragment; | VEZT; | NULL | 788 | mallard |
| U3IBI4 | Uncharacterized protein; | REXO2; | NULL | 202 | mallard |
| U3IK93 | Uncharacterized protein; | GGT5; | NULL | 561 | mallard |
| U3IIZ2 | Uncharacterized protein; Fragment; | PTPRJ; | NULL | 1210 | mallard |
| U3IJ05 | Uncharacterized protein; | VAV2; | NULL | 861 | mallard |
| U3IF64 | Uncharacterized protein; | NULL | NULL | 679 | mallard |
| U3IMQ1 | Uncharacterized protein; | PPM1B; | NULL | 387 | mallard |
