| Domain | Name | Category | Type | 
		| IPR003323 | OTU domain | Domain | Domain | 
		| IPR016615 | Ubiquitin thioesterase Otubain | Family | Family | 
		| IPR019400 | Peptidase C65, otubain | Family | Family | 
		| IPR030299 | Ubiquitin thioesterase OTUB2 | Family | Family | 
		| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily | 
		| IPR042467 | Peptidase C65,  otubain, subdomain 2 | Family | Homologous superfamily | 
		| IPR042468 | Peptidase C65, otubain, subdomain 1 | Family | Homologous superfamily |