Annotations: 3SBQ

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3sbqa2	All beta proteins	Cupredoxin-like	Cupredoxins	automated matches	automated matches	(Stutzerimonas stutzeri ) [TaxId: 316 ],	SCOPe (2.08)
A	d3sbqa1	All beta proteins	7-bladed beta-propeller	Nitrous oxide reductase, N-terminal domain	Nitrous oxide reductase, N-terminal domain	automated matches	(Stutzerimonas stutzeri ) [TaxId: 316 ],	SCOPe (2.08)
B	d3sbqb2	All beta proteins	Cupredoxin-like	Cupredoxins	automated matches	automated matches	(Stutzerimonas stutzeri ) [TaxId: 316 ],	SCOPe (2.08)
B	d3sbqb1	All beta proteins	7-bladed beta-propeller	Nitrous oxide reductase, N-terminal domain	Nitrous oxide reductase, N-terminal domain	automated matches	(Stutzerimonas stutzeri ) [TaxId: 316 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	COX2	e3sbqA4	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: COX2	ECOD (1.6)
A	PRK02888	e3sbqA3	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: PRK02888	ECOD (1.6)
B	COX2	e3sbqB4	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: COX2	ECOD (1.6)
B	PRK02888	e3sbqB3	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: PRK02888	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.130.10.10	Mainly Beta	7 Propeller	Methylamine Dehydrogenase	Chain H	CATH (4.3.0)
A	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)
B	2.130.10.10	Mainly Beta	7 Propeller	Methylamine Dehydrogenase	Chain H	CATH (4.3.0)
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00116	Cytochrome C oxidase subunit II, periplasmic domain (COX2)	Cytochrome C oxidase subunit II, periplasmic domain	-	Domain
A, B	PF18793	Nitrous oxide reductase propeller repeat 2 (nos_propeller_2)	Nitrous oxide reductase propeller repeat 2	-	Repeat
A, B	PF18764	Nitrous oxide reductase propeller repeat (nos_propeller)	Nitrous oxide reductase propeller repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nitrous-oxide reductase	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity cytochrome-c oxidase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity oxidoreductase activity, acting on a heme group of donors inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity transition metal ion binding copper ion binding oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor oxidoreductase activity, acting on other nitrogenous compounds as donors nitrous-oxide reductase activity	localization transport copper ion import copper ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport nitrogen cycle metabolic process denitrification pathway metabolic process	membrane cellular anatomical entity periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011045	Nitrous oxide reductase, N-terminal	Homologous Superfamily
A, B	IPR023644	Nitrous-oxide reductase	Family
A, B	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, B	IPR041142	Nitrous oxide reductase, propeller repeat 2	Repeat
A, B	IPR034205	Nitrous-oxide reductase, C-terminal	Domain
A, B	IPR041114	Nitrous oxide reductase, propeller repeat 1	Repeat
A, B	IPR002429	Cytochrome c oxidase subunit II-like C-terminal	Domain
A, B	IPR008972	Cupredoxin	Homologous Superfamily
A, B	IPR001505	Copper centre Cu(A)	Binding Site
A, B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
A, B	IPR019546	Twin-arginine translocation pathway, signal sequence, bacterial/archaeal	Conserved Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.