| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| U3IPY6 | Uncharacterized protein; Fragment; | GET4; | NULL | 279 | mallard |
| U3IIX2 | Uncharacterized protein; Fragment; | YIPF4; | NULL | 239 | mallard |
| U3IGB3 | Uncharacterized protein; Fragment; | TBXAS1; | NULL | 421 | mallard |
| U3IR37 | Uncharacterized protein; Fragment; | THBS3; | NULL | 781 | mallard |
| U3IGN8 | Small ubiquitin-related modifier; SUMO; Fragment; | SUMO2; | NULL | 89 | mallard |
| U3IIG5 | Uncharacterized protein; Fragment; | CD80; | NULL | 316 | mallard |
| U3IQ68 | Uncharacterized protein; Fragment; | STK32A; | NULL | 433 | mallard |
| U3IR95 | Uncharacterized protein; Fragment; | ZCCHC17; | NULL | 250 | mallard |
| U3I7R1 | Uncharacterized protein; | WHSC1; | NULL | 1370 | mallard |
| U3INK0 | Uncharacterized protein; Fragment; | UBA6; | NULL | 1047 | mallard |
| U3IE78 | Uncharacterized protein; Fragment; | ADAM9; | NULL | 804 | mallard |
| U3II31 | Uncharacterized protein; | KLKB1; | NULL | 622 | mallard |
| U3IHB1 | Uncharacterized protein; | ENPP2; | XP_005024061.1; | 915 | mallard |
| U3IGV5 | Uncharacterized protein; Fragment; | MRPL18; | NULL | 157 | mallard |
| U3IZI4 | Uncharacterized protein; Fragment; | SFT2D1; | NULL | 136 | mallard |
| U3IS18 | S-adenosylmethionine synthase; EC 2.5.1.6; Fragment; | LOC101790524; | NULL | 394 | mallard |
| U3ILY9 | Uncharacterized protein; Fragment; | TCTN1; | NULL | 512 | mallard |
| U3IY34 | Uncharacterized protein; | ADAT1; | NULL | 502 | mallard |
| U3J3K9 | Uncharacterized protein; | FAM78A; | NULL | 279 | mallard |
| U3IUQ9 | Uncharacterized protein; Fragment; | NULL | NULL | 4526 | mallard |
