| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IQS1 | Uncharacterized protein; Fragment; | CGA; | NULL | 125 | mallard |
| U3J5J3 | Uncharacterized protein; Fragment; | FBXO41; | NULL | 779 | mallard |
| U3IUU7 | Uncharacterized protein; | HOXA11; | NULL | 275 | mallard |
| U3J902 | Uncharacterized protein; | SPINK6; | NULL | 80 | mallard |
| H2BEH2 | Interleukin-10 receptor alpha chain; Fragment; | IL-10R1; | NULL | 429 | mallard |
| I0CDX0 | MHC class I antigen; Fragment; | Anpl-UAA; | NULL | 87 | mallard |
| Q95HB7 | MHC class II antigen beta chain; | NULL | NULL | 260 | mallard |
| R0JAS8 | Uncharacterized protein; Fragment; | NULL | NULL | 102 | mallard |
| R0JBK9 | Proteoglycan-4; Fragment; | NULL | NULL | 1306 | mallard |
| R0JEC3 | Uncharacterized protein; | NULL | NULL | 164 | mallard |
| I0CE46 | MHC class I antigen; Fragment; | Anpl-UAA; | NULL | 86 | mallard |
| R0J6I5 | Olfactory receptor 6C4; Fragment; | NULL | NULL | 143 | mallard |
| R0J739 | Peptidyl-prolyl cis-trans isomerase; Fragment; | NULL | NULL | 37 | mallard |
| R0JW97 | Uncharacterized protein; | NULL | NULL | 208 | mallard |
| R0JWF0 | N-terminal EF-hand calcium-binding protein 1; Fragment; | NULL | NULL | 315 | mallard |
| U3IPX9 | Uncharacterized protein; Fragment; | KLF2; | NULL | 373 | mallard |
| R0K3B9 | Uncharacterized protein; | NULL | NULL | 204 | mallard |
| R0K518 | Uncharacterized protein C13orf27-like protein; Fragment; | NULL | NULL | 238 | mallard |
| R0K5K2 | Centromere protein J; Fragment; | NULL | NULL | 179 | mallard |
| R0J8I2 | Tropomodulin-2; Fragment; | NULL | NULL | 341 | mallard |
