| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I8U0 | Uncharacterized protein; Fragment; | NULL | NULL | 543 | mallard |
| U3ICF2 | Uncharacterized protein; Fragment; | FBXO31; | NULL | 447 | mallard |
| U3IFN9 | Uncharacterized protein; | NULL | NULL | 125 | mallard |
| U3IFH0 | Uncharacterized protein; | TMEM241; | NULL | 255 | mallard |
| U3IEM3 | Uncharacterized protein; | ZMAT4; | NULL | 229 | mallard |
| U3I3W9 | Uncharacterized protein; Fragment; | CRYL1; | NULL | 319 | mallard |
| U3IHW9 | Uncharacterized protein; | HPS3; | NULL | 1008 | mallard |
| U3IZH7 | Uncharacterized protein; Fragment; | MTHFD2L; | NULL | 297 | mallard |
| U3ICS9 | Uncharacterized protein; Fragment; | MYO5B; | NULL | 1851 | mallard |
| U3ILF6 | Uncharacterized protein; | GPCPD1; | NULL | 681 | mallard |
| U3IC03 | Uncharacterized protein; Fragment; | DUOX2; | NULL | 1544 | mallard |
| U3IHC2 | Uncharacterized protein; | RACGAP1; | NULL | 657 | mallard |
| U3I0A8 | Uncharacterized protein; Fragment; | IL22RA2; | NULL | 228 | mallard |
| U3IHT6 | Uncharacterized protein; Fragment; | RNF32; | NULL | 364 | mallard |
| U3INS2 | Uncharacterized protein; Fragment; | RARS2; | NULL | 375 | mallard |
| U3I5T0 | Uncharacterized protein; Fragment; | NULL | NULL | 101 | mallard |
| U3IQH3 | Uncharacterized protein; | LOC101791385; | XP_005010710.1; | 90 | mallard |
| U3ILZ1 | Uncharacterized protein; Fragment; | NULL | NULL | 494 | mallard |
| U3IPR1 | Uncharacterized protein; Fragment; | NULL | NULL | 201 | mallard |
| U3ISQ2 | Uncharacterized protein; | HPCAL4; | XP_005013073.1; | 191 | mallard |
