1KV7

Crystal Structure of CueO, a multi-copper oxidase from E. coli involved in copper homeostasis

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d1kv7a3	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	multi-copper oxidase CueO, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1kv7a1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	multi-copper oxidase CueO, N- and middle domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cupredoxins	8041292	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8041293	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8041291	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)
A	Cu-oxidase_2	e1kv7A3	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Cu-oxidase_2	ECOD (1.6)
A	Cu-oxidase_3_1	e1kv7A1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Cu-oxidase_3_1	ECOD (1.6)
A	Cu-oxidase	e1kv7A2	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Cu-oxidase	ECOD (1.6)

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00394	Multicopper oxidase (Cu-oxidase)	Multicopper oxidase	Many of the proteins in this family contain multiple similar copies of this plastocyanin-like domain.	Domain
A	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	PF07731	Multicopper oxidase (Cu-oxidase_2)	Multicopper oxidase	This entry contains many divergent copper oxidase-like domains that are not recognised by the Pfam:PF00394 model.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROBABLE BLUE-COPPER PROTEIN YACK	oxidoreductase activity, acting on metal ions oxidoreductase activity catalytic activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity, acting on diphenols and related substances as donors oxidoreductase activity, acting on metal ions, oxygen as acceptor ferroxidase activity	response to copper ion response to stimulus response to metal ion response to chemical detoxification of inorganic compound detoxification of copper ion detoxification stress response to copper ion response to toxic substance response to stress stress response to metal ion	periplasmic space cellular anatomical entity outer membrane-bounded periplasmic space cell envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A	IPR001117	Multicopper oxidase, second cupredoxin domain	Domain
A	IPR011707	Multicopper oxidase-like, N-terminal	Domain
A	IPR008972	Cupredoxin	Homologous Superfamily
A	IPR002355	Multicopper oxidase, copper-binding site	Binding Site
A	IPR011706	Multicopper oxidase, C-terminal	Domain
A	IPR045087	Multicopper oxidase	Family

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.