| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Aque_Aqu2.1.26957_001 | Ubiquitin conjugation factor E4 A | U-box, Ufd2P_core | — |
| Aque_Aqu2.1.36259_001 | Ubiquitin conjugation factor E4 B | U-box, Ufd2P_core | — |
| Aque_Aqu2.1.37145_001 | cDNA FLJ13786 fis, clone PLACE4000654, highly similar to Mus musculus ubiquitin conjugating enzyme | Ufd2P_core, UQ_con | — |