2YQB | pdb_00002yqb

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cu-oxidase_2_2	e2yqbA4	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Cu-oxidase_2_2	ECOD (1.6)
A	Cu-oxidase_3_1	e2yqbA5	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Cu-oxidase_3_1	ECOD (1.6)
A	Cytochrome_CBB3	e2yqbA6	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: Cytochrome_CBB3	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)
A	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	COPPER-CONTAINING NITRITE REDUCTASE	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding tetrapyrrole binding heme binding oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor oxidoreductase activity oxidoreductase activity, acting on other nitrogenous compounds as donors nitrite reductase (NO-forming) activity nitrite reductase activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding tetrapyrrole binding heme binding oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor oxidoreductase activity oxidoreductase activity, acting on other nitrogenous compounds as donors nitrite reductase (NO-forming) activity nitrite reductase activity catalytic activity electron transfer activity	-	cellular anatomical structure periplasmic space

Chains	Accession	Name	Type
A	IPR051459	Cytochrome c-type Dehydrogenase	Family
A	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
A	IPR008972	Cupredoxin	Homologous Superfamily
A	IPR009056	Cytochrome c-like domain	Domain
A	IPR001287	Nitrite reductase, copper-type	Family
A	IPR011707	Multicopper oxidase-like, N-terminal	Domain