| Domain | Name | Category | Type |
| IPR001394 | Peptidase C19, ubiquitin carboxyl-terminal hydrolase | Domain | Domain |
| IPR009818 | Ataxin-2, C-terminal | Domain | Domain |
| IPR018200 | Ubiquitin specific protease, conserved site | Site | Conserved site |
| IPR028767 | Ubiquitin carboxyl-terminal hydrolase 10 | Family | Family |
| IPR028889 | Ubiquitin specific protease domain | Domain | Domain |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |