| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3I939 | Fructose-bisphosphate aldolase; EC 4.1.2.13; Fragment; | ALDOA; | NULL | 335 | mallard |
| U3I3N8 | Uncharacterized protein; Fragment; | DISP2; | NULL | 1390 | mallard |
| U3I3Q0 | Uncharacterized protein; | UNC93A; | NULL | 462 | mallard |
| U3I3R4 | Uncharacterized protein; Fragment; | ABHD12B; | NULL | 251 | mallard |
| U3ICD7 | Uncharacterized protein; Fragment; | DENND1A; | NULL | 1046 | mallard |
| U3I3X0 | Uncharacterized protein; | NPHP4; | NULL | 1414 | mallard |
| U3I3T8 | Uncharacterized protein; | NULL | NULL | 204 | mallard |
| U3I3Y3 | Uncharacterized protein; Fragment; | GORAB; | NULL | 351 | mallard |
| U3I1G1 | Uncharacterized protein; | SPRY4; | XP_005022586.1; | 299 | mallard |
| U3I3U2 | Uncharacterized protein; | HMOX2; | XP_005014235.1;XP_005014236.1; | 312 | mallard |
| U3IC48 | Uncharacterized protein; | RYR3; | NULL | 4872 | mallard |
| U3I5G7 | Uncharacterized protein; | LOC101798662; | NULL | 418 | mallard |
| U3I5B4 | Uncharacterized protein; | C1QB; | NULL | 342 | mallard |
| U3I406 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; Fragment; | LOC101791926; | NULL | 484 | mallard |
| U3I9T0 | Uncharacterized protein; | ATP13A3; | NULL | 1222 | mallard |
| U3I1B4 | Uncharacterized protein; Fragment; | P2RY13; | NULL | 333 | mallard |
| U3I5L1 | Uncharacterized protein; Fragment; | OSGEP; | NULL | 134 | mallard |
| U3I5K9 | Uncharacterized protein; Fragment; | C5orf63; | NULL | 90 | mallard |
| U3I5K0 | Uncharacterized protein; Fragment; | NULL | NULL | 85 | mallard |
| U3I5L7 | Uncharacterized protein; Fragment; | UNC13A; | NULL | 1127 | mallard |
