| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ICY3 | Uncharacterized protein; Fragment; | AGBL5; | NULL | 352 | mallard |
| U3IFX5 | Uncharacterized protein; | LOC101797193; | NULL | 69 | mallard |
| U3IGS2 | Uncharacterized protein; | RANGAP1; | NULL | 583 | mallard |
| U3IH79 | Uncharacterized protein; Fragment; | WDR18; | NULL | 345 | mallard |
| U3ID20 | Uncharacterized protein; Fragment; | IFT46; | NULL | 262 | mallard |
| U3IKD1 | Uncharacterized protein; | BCL9; | NULL | 1373 | mallard |
| U3IGL2 | Palmitoyltransferase; EC 2.3.1.225; | ZDHHC5; | NULL | 456 | mallard |
| U3ILM0 | Uncharacterized protein; Fragment; | PPTC7; | NULL | 231 | mallard |
| U3II24 | Uncharacterized protein; Fragment; | RNF166; | NULL | 220 | mallard |
| U3INA9 | Uncharacterized protein; Fragment; | POLG2; | NULL | 306 | mallard |
| U3IR69 | Uncharacterized protein; Fragment; | PSMB2; | NULL | 178 | mallard |
| U3ISG3 | Uncharacterized protein; Fragment; | SNPH; | NULL | 213 | mallard |
| U3ISV7 | Uncharacterized protein; Fragment; | NULL | NULL | 238 | mallard |
| U3IFK2 | Uncharacterized protein; | DAGLA; | XP_005029013.1;XP_005029014.1;XP_005029015.1;XP_005029016.1;XP_005029017.1; | 1031 | mallard |
| U3IV70 | Uncharacterized protein; Fragment; | HOXA6; | NULL | 173 | mallard |
| U3ITP7 | Uncharacterized protein; | ABHD17C; | NULL | 238 | mallard |
| U3IVC4 | Uncharacterized protein; Fragment; | FBXO4; | NULL | 290 | mallard |
| U3IT77 | Uncharacterized protein; Fragment; | B3GNTL1; | NULL | 341 | mallard |
| U3IKT2 | Uncharacterized protein; Fragment; | POMP; | NULL | 157 | mallard |
| U3IZ63 | Uncharacterized protein; Fragment; | SORCS2; | NULL | 943 | mallard |
