| Domain | Name | Category | Type |
| IPR001394 | Peptidase C19, ubiquitin carboxyl-terminal hydrolase | Domain | Domain |
| IPR002048 | EF-hand domain | Domain | Domain |
| IPR006615 | Peptidase C19, ubiquitin-specific peptidase, DUSP domain | Domain | Domain |
| IPR011992 | EF-hand domain pair | Family | Homologous superfamily |
| IPR018200 | Ubiquitin specific protease, conserved site | Site | Conserved site |
| IPR018247 | EF-Hand 1, calcium-binding site | Site | Binding site |
| IPR028889 | Ubiquitin specific protease domain | Domain | Domain |
| IPR035927 | DUSP-like superfamily | Family | Homologous superfamily |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |