| Domain | Name | Category | Type | 
		| IPR001505 | Copper centre Cu(A) | Site | Binding site | 
		| IPR002429 | Cytochrome c oxidase subunit II-like C-terminal | Domain | Domain | 
		| IPR008972 | Cupredoxin | Family | Homologous superfamily | 
		| IPR011759 | Cytochrome C oxidase subunit II, transmembrane domain | Domain | Domain | 
		| IPR014222 | Cytochrome c oxidase, subunit II | Domain | Domain | 
		| IPR034210 | Cytochrome c oxidase subunit 2, C-terminal | Domain | Domain | 
		| IPR036257 | Cytochrome C oxidase subunit II, transmembrane domain superfamily | Family | Homologous superfamily |