| Domain | Name | Category | Type |
| IPR001394 | Peptidase C19, ubiquitin carboxyl-terminal hydrolase | Domain | Domain |
| IPR006615 | Peptidase C19, ubiquitin-specific peptidase, DUSP domain | Domain | Domain |
| IPR018200 | Ubiquitin specific protease, conserved site | Site | Conserved site |
| IPR028135 | Ubiquitin-like domain, USP-type | Domain | Domain |
| IPR028889 | Ubiquitin specific protease domain | Domain | Domain |
| IPR035927 | DUSP-like superfamily | Family | Homologous superfamily |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |