Annotations: 6KNG

CryoEM map and model of Nitrite Reductase at pH 8.1

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d6kngc1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	automated matches	(Achromobacter cycloclastes ) [TaxId: 223 ],	SCOPe (2.08)
B	d6kngb1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	automated matches	(Achromobacter cycloclastes ) [TaxId: 223 ],	SCOPe (2.08)
A	d6knga1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	automated matches	(Achromobacter cycloclastes ) [TaxId: 223 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Cupredoxins	8038726	3000886	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cupredoxins	8038727	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8038726	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8038727	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8038726	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8038727	3000886	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C		e6kngC1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v294.2)
B		e6kngB1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v294.2)
A		e6kngA1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Copper-containing nitrite reductase	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule 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	nitrogen cycle metabolic process denitrification pathway metabolic process cellular process nitrate assimilation oxoacid metabolic process small molecule metabolic process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process	cellular anatomical structure extracellular region periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, B, C	IPR008972	Cupredoxin	Homologous Superfamily
A, B, C	IPR001117	Multicopper oxidase, second cupredoxin domain	Domain
A, B, C	IPR045087	Multicopper oxidase	Family
A, B, C	IPR001287	Nitrite reductase, copper-type	Family
A, B, C	IPR011707	Multicopper oxidase-like, N-terminal	Domain

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.