| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IY64 | Uncharacterized protein; Fragment; | PGRMC1; | NULL | 89 | mallard |
| U3ICB1 | Uncharacterized protein; Fragment; | ESRRG; | NULL | 454 | mallard |
| U3IF90 | Uncharacterized protein; Fragment; | NULL | NULL | 66 | mallard |
| U3IDK3 | Uncharacterized protein; | LRGUK; | NULL | 593 | mallard |
| U3IFR3 | Uncharacterized protein; | GTF2E1; | NULL | 437 | mallard |
| U3IDG8 | Uncharacterized protein; Fragment; | MFSD12; | NULL | 358 | mallard |
| U3IDQ5 | Uncharacterized protein; Fragment; | NR1D2; | NULL | 543 | mallard |
| U3IHS1 | Uncharacterized protein; Fragment; | MYBPC1; | NULL | 1136 | mallard |
| U3IFP3 | Uncharacterized protein; Fragment; | RASGRP1; | NULL | 786 | mallard |
| U3I4X8 | Uncharacterized protein; Fragment; | NRP2; | NULL | 911 | mallard |
| U3I7C2 | Uncharacterized protein; Fragment; | SFPQ; | NULL | 518 | mallard |
| U3ILV0 | Uncharacterized protein; | SPATS2L; | NULL | 556 | mallard |
| U3I1W6 | Uncharacterized protein; Fragment; | EVA1B; | NULL | 53 | mallard |
| U3IA64 | Uncharacterized protein; Fragment; | PCTP; | NULL | 171 | mallard |
| U3ILT8 | Uncharacterized protein; | COL14A1; | NULL | 1887 | mallard |
| U3IPD7 | Uncharacterized protein; Fragment; | B4GALT4; | NULL | 307 | mallard |
| U3IRR4 | Uncharacterized protein; Fragment; | NULL | NULL | 73 | mallard |
| U3INF3 | Uncharacterized protein; Fragment; | UBQLN4; | NULL | 592 | mallard |
| U3IQK1 | Uncharacterized protein; Fragment; | LOC101797272; | NULL | 113 | mallard |
| U3IQJ6 | Uncharacterized protein; Fragment; | HDAC9; | NULL | 1066 | mallard |
