| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IHC7 | Mothers against decapentaplegic homolog; MAD homolog; Mothers against DPP homolog; SMAD family member; Fragment; | SMAD3; | NULL | 358 | mallard |
| U3J3B8 | Uncharacterized protein; Fragment; | NULL | NULL | 157 | mallard |
| U3IS07 | Uncharacterized protein; | TXK; | NULL | 537 | mallard |
| U3J6W2 | Uncharacterized protein; | VSTM2A; | NULL | 210 | mallard |
| U3IUI8 | Uncharacterized protein; Fragment; | MPC1; | NULL | 84 | mallard |
| U3J537 | Uncharacterized protein; Fragment; | ST7L; | NULL | 487 | mallard |
| R0JZJ3 | S-phase kinase-associated protein 2; Fragment; | NULL | NULL | 328 | mallard |
| R0L3C0 | Uncharacterized protein; | NULL | NULL | 127 | mallard |
| U3IYV4 | Uncharacterized protein; Fragment; | NULL | NULL | 156 | mallard |
| R0KB57 | Uncharacterized protein; | NULL | NULL | 131 | mallard |
| R0K9R5 | Dual specificity tyrosine-phosphorylation-regulated kinase 3; Fragment; | NULL | NULL | 520 | mallard |
| R0K237 | Uncharacterized protein; | NULL | NULL | 178 | mallard |
| U3J7W9 | Uncharacterized protein; Fragment; | ISCA1; | NULL | 105 | mallard |
| U3J2A5 | Uncharacterized protein; Fragment; | CNKSR2; | NULL | 1014 | mallard |
| U3ICI2 | Uncharacterized protein; Fragment; | CCL19; | NULL | 95 | mallard |
| R0LG60 | Uncharacterized protein C21orf63-like protein; Fragment; | NULL | NULL | 348 | mallard |
| U3J263 | Uncharacterized protein; Fragment; | CCNE1; | NULL | 407 | mallard |
| R0LNB9 | Transmembrane protein 14C; Fragment; | NULL | NULL | 58 | mallard |
| U3J1L2 | Uncharacterized protein; Fragment; | RASAL3; | NULL | 274 | mallard |
| R0LJ11 | Sodium/calcium exchanger 1; Fragment; | NULL | XP_005019198.1; | 965 | mallard |
