| Domain | Name | Category | Type | 
	
		| IPR000717  | Proteasome component (PCI) domain | Domain | Domain | 
	
		| IPR036388  | Winged helix-like DNA-binding domain superfamily | Family | Homologous superfamily | 
	
		| IPR036390  | Winged helix DNA-binding domain superfamily | Family | Homologous superfamily | 
	
		| IPR037754  | COP9 signalosome complex subunit 4 | Family | Family | 
	
		| IPR040134  | 26S Proteasome non-ATPase regulatory subunit 12/COP9 signalosome complex subunit 4 | Family | Family | 
	
		| IPR041406  | COP9 signalosome complex subunit 4, helix turn helix domain | Domain | Domain |