| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IG05 | Uncharacterized protein; Fragment; | RAD1; | NULL | 281 | mallard |
| U3I3P9 | Uncharacterized protein; Fragment; | MTM1; | NULL | 607 | mallard |
| U3III0 | Uncharacterized protein; Fragment; | FAM208B; | NULL | 604 | mallard |
| U3IKS8 | Uncharacterized protein; Fragment; | MUC13; | NULL | 251 | mallard |
| U3IKT7 | Uncharacterized protein; | LOC101790735; | NULL | 112 | mallard |
| U3IH73 | Uncharacterized protein; Fragment; | CPSF4; | NULL | 209 | mallard |
| U3ILN0 | Uncharacterized protein; Fragment; | TTC16; | NULL | 521 | mallard |
| U3IHK1 | Uncharacterized protein; | SH2D4B; | NULL | 427 | mallard |
| U3IHR8 | Uncharacterized protein; Fragment; | MAP2K3; | NULL | 299 | mallard |
| U3I463 | Cytosine-specific methyltransferase; EC 2.1.1.37; Fragment; | DNMT1; | NULL | 1529 | mallard |
| U3IJ97 | Uncharacterized protein; Fragment; | FBN3; | NULL | 2695 | mallard |
| U3INK9 | Uncharacterized protein; Fragment; | BTBD11; | NULL | 729 | mallard |
| U3J9X2 | Uncharacterized protein; Fragment; | DDX31; | NULL | 683 | mallard |
| U3IIU0 | Uncharacterized protein; Fragment; | NDUFB4; | NULL | 131 | mallard |
| U3IPE2 | Uncharacterized protein; Fragment; | NULL | NULL | 237 | mallard |
| U3IL02 | Uncharacterized protein; | KIN; | NULL | 391 | mallard |
| U3INQ6 | Uncharacterized protein; Fragment; | NUP35; | NULL | 326 | mallard |
| U3INA8 | Uncharacterized protein; Fragment; | RGS10; | NULL | 176 | mallard |
| U3INB5 | Uncharacterized protein; Fragment; | WBP4; | NULL | 369 | mallard |
| U3IJE2 | Uncharacterized protein; Fragment; | CHN1; | NULL | 460 | mallard |
