| Domain | Name | Category | Type |
| IPR001394 | Peptidase C19, ubiquitin carboxyl-terminal hydrolase | Domain | Domain |
| IPR001607 | Zinc finger, UBP-type | Domain | Domain |
| IPR009060 | UBA-like superfamily | Family | Homologous superfamily |
| IPR013083 | Zinc finger, RING/FYVE/PHD-type | Family | Homologous superfamily |
| IPR015940 | Ubiquitin-associated domain | Domain | Domain |
| IPR016652 | Ubiquitinyl hydrolase | Family | Family |
| IPR018200 | Ubiquitin specific protease, conserved site | Site | Conserved site |
| IPR028889 | Ubiquitin specific protease domain | Domain | Domain |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |
| IPR041432 | Ubiquitinyl hydrolase, variant UBP zinc finger | Domain | Domain |
| IPR041812 | Ubiquitin carboxyl-terminal hydrolase 5, UBA1 domain | Domain | Domain |