| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3ISS3 | Uncharacterized protein; Fragment; | NETO2; | NULL | 525 | mallard |
| U3IMM8 | Uncharacterized protein; Fragment; | SRP72; | NULL | 672 | mallard |
| U3J300 | Uncharacterized protein; Fragment; | ITPKB; | NULL | 283 | mallard |
| U3IBD7 | Uncharacterized protein; | LOC101789604; | NULL | 277 | mallard |
| U3I248 | Uncharacterized protein; Fragment; | UBP1; | NULL | 504 | mallard |
| V9HXS8 | MHC class I antigen heavy chain; Fragment; | NULL | NULL | 344 | mallard |
| W8W3S8 | Interferon-induced transmembrane protein 5; | IFITM5; | NULL | 134 | mallard |
| S4SM22 | NLRC3 protein; | NLRC3; | NULL | 1068 | mallard |
| U3J6Y9 | Tetraspanin; Fragment; | TSPAN3; | NULL | 241 | mallard |
| U3IBF6 | Uncharacterized protein; Fragment; | SNAP47; | NULL | 421 | mallard |
| U3IMJ2 | Uncharacterized protein; Fragment; | KBTBD4; | NULL | 543 | mallard |
| U3IMQ5 | Uncharacterized protein; Fragment; | CENPT; | NULL | 161 | mallard |
| U3I9I2 | Uncharacterized protein; Fragment; | CNTN4; | NULL | 1012 | mallard |
| U3IJS8 | Uncharacterized protein; | ADNP; | NULL | 1111 | mallard |
| U3IED4 | Uncharacterized protein; | TARDBP; | NULL | 414 | mallard |
| U3IUD2 | Uncharacterized protein; Fragment; | ADAM12; | NULL | 816 | mallard |
| V9HXQ8 | MHC class I antigen heavy chain; Fragment; | NULL | NULL | 344 | mallard |
| V9HXK7 | MHC class I antigen heavy chain; Fragment; | NULL | NULL | 344 | mallard |
| U3IUA2 | Uncharacterized protein; | GPLD1; | NULL | 841 | mallard |
| U3IU91 | Uncharacterized protein; Fragment; | WDR75; | NULL | 469 | mallard |
