| Domain | Name | Category | Type |
| IPR001578 | Peptidase C12, ubiquitin carboxyl-terminal hydrolase | Domain | Domain |
| IPR017390 | Ubiquitinyl hydrolase, UCH37 type | Family | Family |
| IPR033837 | Ubiquitinyl hydrolase-L5 | Domain | Domain |
| IPR036959 | Peptidase C12, ubiquitin carboxyl-terminal hydrolase superfamily | Family | Homologous superfamily |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |
| IPR041507 | Peptidase C12, C-terminal domain | Domain | Domain |