| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ICY8 | Uncharacterized protein; Fragment; | ARHGEF16; | NULL | 641 | mallard |
| U3J2A1 | Uncharacterized protein; Fragment; | TMEM163; | NULL | 222 | mallard |
| U3I002 | Uncharacterized protein; Fragment; | NULL | NULL | 63 | mallard |
| U3J7R9 | Uncharacterized protein; Fragment; | TYMS; | NULL | 317 | mallard |
| U3I4X9 | Uncharacterized protein; Fragment; | NAV3; | NULL | 175 | mallard |
| U3IAE5 | Uncharacterized protein; Fragment; | KIAA1377; | NULL | 1076 | mallard |
| U3I815 | Uncharacterized protein; Fragment; | TENM2; | NULL | 2607 | mallard |
| U3J344 | Uncharacterized protein; | NDNF; | NULL | 570 | mallard |
| U3IBU3 | Uncharacterized protein; Fragment; | PHB2; | NULL | 231 | mallard |
| U3IRG2 | Fibroblast growth factor; FGF; | FGF18; | XP_005024993.1; | 207 | mallard |
| U3IFR6 | Uncharacterized protein; | LATS2; | NULL | 916 | mallard |
| U3IG32 | Uncharacterized protein; Fragment; | NULL | NULL | 88 | mallard |
| U3IEX0 | Uncharacterized protein; | NEK5; | NULL | 636 | mallard |
| U3I4B1 | Uncharacterized protein; Fragment; | STRA8; | NULL | 332 | mallard |
| U3IBY6 | Uncharacterized protein; Fragment; | RHOF; | NULL | 205 | mallard |
| U3J410 | Uncharacterized protein; Fragment; | NULL | NULL | 109 | mallard |
| U3IKU2 | Uncharacterized protein; Fragment; | SCP2; | NULL | 555 | mallard |
| U3IL93 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; Fragment; | LOC101794906; | NULL | 369 | mallard |
| U3J7A0 | Uncharacterized protein; | SH3BP4; | NULL | 966 | mallard |
| U3INZ1 | Uncharacterized protein; Fragment; | ENKUR; | NULL | 256 | mallard |
