| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ICB8 | Uncharacterized protein; | CXorf23; | NULL | 722 | mallard |
| U3I3K8 | Uncharacterized protein; Fragment; | RGS2; | NULL | 212 | mallard |
| U3IIX6 | Uncharacterized protein; | NCOR1; | NULL | 2479 | mallard |
| U3ICQ6 | Uncharacterized protein; | NULL | NULL | 750 | mallard |
| U3IKD5 | Uncharacterized protein; Fragment; | NULL | NULL | 657 | mallard |
| U3ICF0 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; Fragment; | USP12; | NULL | 369 | mallard |
| U3IDE2 | Uncharacterized protein; Fragment; | TSNARE1; | NULL | 136 | mallard |
| U3I9V5 | Uncharacterized protein; Fragment; | ARF1; | NULL | 191 | mallard |
| U3IDK0 | Uncharacterized protein; Fragment; | LOC101803492; | NULL | 193 | mallard |
| U3ICW8 | Uncharacterized protein; Fragment; | ANKRD34C; | NULL | 323 | mallard |
| U3IGW5 | Uncharacterized protein; | FLT1; | NULL | 1331 | mallard |
| U3IHU2 | Uncharacterized protein; Fragment; | C2CD3; | NULL | 769 | mallard |
| U3IIC1 | Uncharacterized protein; Fragment; | C17orf75; | NULL | 321 | mallard |
| U3IJ43 | Uncharacterized protein; Fragment; | ZNF22; | NULL | 195 | mallard |
| U3I952 | Uncharacterized protein; Fragment; | TBC1D22A; | NULL | 498 | mallard |
| U3IIU4 | Uncharacterized protein; Fragment; | RP9; | NULL | 178 | mallard |
| U3IL24 | Uncharacterized protein; Fragment; | TMEM260; | NULL | 464 | mallard |
| U3IFH2 | Uncharacterized protein; | FAM204A; | NULL | 243 | mallard |
| U3IKZ9 | Uncharacterized protein; Fragment; | NQO1; | NULL | 131 | mallard |
| U3IIV7 | Uncharacterized protein; | LOC101797884; | NULL | 1040 | mallard |
