| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I9A3 | Dipeptidase; EC 3.4.13.19; | DPEP2; | NULL | 420 | mallard |
| U3ICA2 | Uncharacterized protein; | CEP152; | NULL | 1390 | mallard |
| U3IDF4 | Uncharacterized protein; Fragment; | IFT52; | NULL | 438 | mallard |
| U3I4K8 | Uncharacterized protein; | RCC1; | NULL | 438 | mallard |
| U3I704 | Uncharacterized protein; Fragment; | SUMF1; | NULL | 291 | mallard |
| U3IEV7 | Uncharacterized protein; Fragment; | DPY19L4; | NULL | 725 | mallard |
| U3I826 | Uncharacterized protein; Fragment; | TPP2; | NULL | 1179 | mallard |
| U3ICG9 | Uncharacterized protein; | GPBP1L1; | NULL | 473 | mallard |
| U3IFJ1 | Uncharacterized protein; Fragment; | HDAC8; | NULL | 329 | mallard |
| U3IAB4 | Uncharacterized protein; Fragment; | ESRP2; | NULL | 632 | mallard |
| U3I786 | 40S ribosomal protein S27; | RPS27; | NULL | 43 | mallard |
| U3IFH8 | Uncharacterized protein; Fragment; | FAM154A; | NULL | 454 | mallard |
| U3IC93 | Uncharacterized protein; Fragment; | CCDC3; | NULL | 207 | mallard |
| U3IG16 | Uncharacterized protein; Fragment; | NULL | NULL | 101 | mallard |
| U3IFG5 | Uncharacterized protein; Fragment; | NULL | NULL | 212 | mallard |
| U3IA60 | Malate dehydrogenase; EC 1.1.1.37; Fragment; | MDH2; | NULL | 338 | mallard |
| U3II90 | Uncharacterized protein; Fragment; | TMEM246; | XP_005015446.1; | 320 | mallard |
| U3IFT1 | Uncharacterized protein; Fragment; | SVIL; | NULL | 2210 | mallard |
| U3IL48 | Uncharacterized protein; Fragment; | NOB1; | NULL | 232 | mallard |
| U3I9N6 | Uncharacterized protein; | TRPV3; | NULL | 793 | mallard |
