6QPX

Chain	Domain	Class	Architecture	Topology	Homology
A	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins
A	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins
A	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins
B	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF07732	Multicopper oxidase (Cu-oxidase_3)	Multicopper oxidase	This entry contains many divergent copper oxidase-like domains that are not recognised by the Pfam:PF00394 model.	Domain
A, B	PF13442	Cytochrome C oxidase, cbb3-type, subunit III (Cytochrome_CBB3)	Cytochrome C oxidase, cbb3-type, subunit III	-	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, I	Copper-containing nitrite reductase	binding copper ion binding ion binding cation binding metal ion binding transition metal ion binding catalytic activity electron transfer activity oxidoreductase activity heme binding tetrapyrrole binding organic cyclic compound binding heterocyclic compound binding oxidoreductase activity, acting on other nitrogenous compounds as donors oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor nitrite reductase (NO-forming) activity nitrite reductase activity

167132 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education