| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IAT8 | Uncharacterized protein; Fragment; | C3orf55; | NULL | 307 | mallard |
| U3ICB0 | Uncharacterized protein; | ALS2CL; | NULL | 952 | mallard |
| U3IP97 | Phosphoinositide phospholipase C; EC 3.1.4.11; Fragment; | NULL | NULL | 936 | mallard |
| U3ICZ8 | Uncharacterized protein; Fragment; | TTC36; | NULL | 105 | mallard |
| U3I509 | Uncharacterized protein; | HPGD; | XP_005027515.1; | 266 | mallard |
| U3IGF0 | Uncharacterized protein; | LINS; | NULL | 771 | mallard |
| U3J7H4 | Uncharacterized protein; Fragment; | NULL | NULL | 162 | mallard |
| U3IHH8 | Coatomer subunit beta; Beta-coat protein; | COPB1; | XP_005021034.1; | 953 | mallard |
| U3J3T4 | Tyrosine-protein kinase receptor; EC 2.7.10.1; | INSR; | NULL | 1275 | mallard |
| U3IFB0 | Uncharacterized protein; Fragment; | DECR1; | NULL | 250 | mallard |
| U3IJS6 | Uncharacterized protein; Fragment; | TMEM33; | NULL | 248 | mallard |
| U3IKA4 | Uncharacterized protein; Fragment; | SLC30A9; | NULL | 530 | mallard |
| U3IP87 | Uncharacterized protein; Fragment; | DARS2; | NULL | 604 | mallard |
| U3IUG9 | Uncharacterized protein; | AMICA1; | NULL | 218 | mallard |
| U3ISZ3 | Uncharacterized protein; Fragment; | GRK1; | NULL | 190 | mallard |
| U3J1W8 | Uncharacterized protein; Fragment; | RAB44; | NULL | 293 | mallard |
| U3ISE5 | Uncharacterized protein; | CSE1L; | XP_005016451.1; | 971 | mallard |
| U3IPZ5 | Uncharacterized protein; Fragment; | NKAIN1; | NULL | 164 | mallard |
| U3I214 | Uncharacterized protein; Fragment; | ZBTB45; | NULL | 92 | mallard |
| U3IVF8 | Uncharacterized protein; | ARMC2; | NULL | 870 | mallard |
