| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3J2V7 | Uncharacterized protein; Fragment; | CCNT2; | NULL | 675 | mallard |
| U3IDP1 | Uncharacterized protein; Fragment; | KCNC1; | NULL | 568 | mallard |
| U3J6W8 | Uncharacterized protein; | C9orf91; | XP_005022426.1;XP_005022427.1;XP_005022428.1;XP_005022429.1;XP_005022430.1;XP_005022431.1;XP_005022432.1;XP_005022433.1;XP_005022434.1;XP_005022435.1; | 342 | mallard |
| U3IFW3 | Uncharacterized protein; | NFASC; | NULL | 1353 | mallard |
| U3J7T3 | Uncharacterized protein; | NULL | NULL | 1148 | mallard |
| U3IHM8 | Uncharacterized protein; Fragment; | NAA50; | NULL | 170 | mallard |
| U3I020 | Uncharacterized protein; Fragment; | NULL | NULL | 109 | mallard |
| U3J8K3 | Uncharacterized protein; Fragment; | LMNTD1; | NULL | 109 | mallard |
| U3J2W5 | Uncharacterized protein; Fragment; | HGSNAT; | NULL | 472 | mallard |
| U3J6F3 | Uncharacterized protein; | LOC101791484; | NULL | 993 | mallard |
| U3IAX2 | Uncharacterized protein; | CDK18; | NULL | 458 | mallard |
| U3ITP2 | Uncharacterized protein; Fragment; | AKIRIN2; | NULL | 122 | mallard |
| U3IDN6 | Uncharacterized protein; Fragment; | RRP15; | NULL | 248 | mallard |
| U3J3R9 | Uncharacterized protein; Fragment; | PAX1; | NULL | 329 | mallard |
| U3ICR2 | Uncharacterized protein; | MBL2; | NULL | 258 | mallard |
| U3IAB6 | Uncharacterized protein; Fragment; | LOC101799459; | NULL | 31 | mallard |
| U3IRK6 | Chloride channel protein; Fragment; | CLCN6; | NULL | 841 | mallard |
| U3III1 | Uncharacterized protein; Fragment; | ACOT1; | NULL | 400 | mallard |
| U3J6X8 | Uncharacterized protein; Fragment; | GNAS; | NULL | 335 | mallard |
| U3IIX9 | Uncharacterized protein; Fragment; | NULL | NULL | 968 | mallard |
