| 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 |