2ZON | pdb_00002zon

Crystal structure of electron transfer complex of nitrite reductase with cytochrome c

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d2zona2	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, C-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
A	d2zona1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, N-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
B	d2zonb2	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, C-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
B	d2zonb1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, N-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
C	d2zonc2	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, C-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
C	d2zonc1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Nitrite reductase, NIR, N-terminal domain	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)
D [auth G]	d2zong_	All alpha proteins	Cytochrome c	Cytochrome c	automated matches	automated matches	(Achromobacter xylosoxidans ) [TaxId: 85698 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth G]	SCOP2 Family	Monodomain cytochrome c	8065329	4000635	SCOP2 (2022-06-29)
D [auth G]	SCOP2 Superfamily	Cytochrome c	8065330	3000815	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e2zonA1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: YgbB	F:	ECOD (20:10:01)
B		e2zonB1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: YgbB	F:	ECOD (20:10:01)
C		e2zonC1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: YgbB	F:	ECOD (20:10:01)
D [auth G]		e2zonG1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: YgbB	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

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)
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)
C	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)
D [auth G]	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Dissimilatory 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 periplasmic space
D [auth G]	cytochrome c551	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
D [auth G]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
D [auth G]	IPR002323	Cytochrome c, class IE	Family
D [auth G]	IPR009056	Cytochrome c-like domain	Domain

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.