| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3J5A2 | Uncharacterized protein; Fragment; | HMGCLL1; | NULL | 325 | mallard |
| U3J562 | Uncharacterized protein; Fragment; | PCYT2; | NULL | 383 | mallard |
| U3J518 | Uncharacterized protein; Fragment; | HSF2; | NULL | 557 | mallard |
| U3J5E9 | Uncharacterized protein; Fragment; | OSTF1; | NULL | 207 | mallard |
| U3J529 | Lipase maturation factor; Fragment; | LMF2; | NULL | 80 | mallard |
| U3J8C1 | Uncharacterized protein; Fragment; | LOC101801919; | NULL | 145 | mallard |
| U3ING9 | Interleukin-12 subunit beta; Cytotoxic lymphocyte maturation factor 40 kDa subunit; IL-12 subunit p40; | IL12B; | NULL | 320 | mallard |
| U3J887 | Uncharacterized protein; Fragment; | NUP88; | NULL | 637 | mallard |
| U3J8G2 | Uncharacterized protein; | LOC101792441; | NULL | 286 | mallard |
| U3J528 | Uncharacterized protein; Fragment; | NULL | NULL | 282 | mallard |
| U3J8I3 | Adenosylhomocysteinase; EC 3.3.1.1; Fragment; | AHCYL2; | NULL | 500 | mallard |
| U3IKE2 | Uncharacterized protein; | SCARA5; | NULL | 480 | mallard |
| U3J5C0 | Uncharacterized protein; Fragment; | TRIM67; | NULL | 157 | mallard |
| U3J4R0 | Uncharacterized protein; | NULL | NULL | 426 | mallard |
| U3J8C5 | Uncharacterized protein; | ALKBH8; | XP_005025990.1; | 675 | mallard |
| U3J1L0 | Uncharacterized protein; | MMP2; | NULL | 337 | mallard |
| U3J550 | Uncharacterized protein; Fragment; | SASS6; | NULL | 641 | mallard |
| U3J4U6 | Uncharacterized protein; Fragment; | NKX3-1; | NULL | 93 | mallard |
| U3IKK2 | Uncharacterized protein; Fragment; | SPATS2; | NULL | 439 | mallard |
| U3J5E4 | Uncharacterized protein; Fragment; | SLC30A6; | NULL | 460 | mallard |
