Annotations: 4E9Q

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4e9qa3	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	multi-copper oxidase CueO, C-terminal domain	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d4e9qa1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	multi-copper oxidase CueO, N- and middle domain	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d4e9qa4	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	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	8041291	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8041292	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8041293	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	PF00394	e4e9qA4	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: PF00394	ECOD (1.6)
A	PF07731	e4e9qA5	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: PF07731	ECOD (1.6)
A	PF07732	e4e9qA3	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: PF07732	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	Blue copper oxidase CueO	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 response to inorganic substance 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 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.