| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IKP1 | Uncharacterized protein; Fragment; | BMPR2; | NULL | 1044 | mallard |
| U3INW2 | Uncharacterized protein; Fragment; | PTAR1; | NULL | 384 | mallard |
| U3INP4 | Uncharacterized protein; Fragment; | CENPK; | NULL | 249 | mallard |
| U3IP07 | Uncharacterized protein; Fragment; | NULL | NULL | 139 | mallard |
| U3INS9 | Uncharacterized protein; | SERPINB5; | NULL | 373 | mallard |
| U3INQ5 | Uncharacterized protein; Fragment; | FBXO6; | NULL | 256 | mallard |
| U3J8G9 | Uncharacterized protein; Fragment; | NULL | NULL | 572 | mallard |
| U3INQ3 | Uncharacterized protein; Fragment; | UBE4B; | NULL | 1349 | mallard |
| U3IP19 | Uncharacterized protein; | EBF2; | NULL | 511 | mallard |
| U3INP3 | Uncharacterized protein; Fragment; | IRX2; | NULL | 364 | mallard |
| U3INY1 | Uncharacterized protein; Fragment; | SLX4IP; | NULL | 413 | mallard |
| U3IP11 | Uncharacterized protein; Fragment; | RGS7BP; | NULL | 209 | mallard |
| U3INQ4 | Uncharacterized protein; Fragment; | NULL | NULL | 102 | mallard |
| U3IP28 | Uncharacterized protein; Fragment; | PNO1; | NULL | 179 | mallard |
| U3IVD2 | Uncharacterized protein; Fragment; | TRIT1; | NULL | 352 | mallard |
| U3IVP8 | Uncharacterized protein; Fragment; | NULL | NULL | 64 | mallard |
| U3IVE2 | Uncharacterized protein; | SLC52A3; | NULL | 449 | mallard |
| U3INY3 | POU domain protein; | POU1F1; | NULL | 363 | mallard |
| U3IVM3 | Uncharacterized protein; Fragment; | DPY19L1; | NULL | 647 | mallard |
| U3IVQ2 | Uncharacterized protein; Fragment; | SSH2; | NULL | 1348 | mallard |
