3CVB

Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization

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	d3cvba_	All beta proteins	Cupredoxin-like	Cupredoxins	Plastocyanin/azurin-like	Plastocyanin	(Leptolyngbya laminosa ) [TaxId: 477181 ],	SCOPe (2.08)
B	d3cvbb_	All beta proteins	Cupredoxin-like	Cupredoxins	Plastocyanin/azurin-like	Plastocyanin	(Leptolyngbya laminosa ) [TaxId: 477181 ],	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	8035217	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8035217	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	Copper-bind	e3cvbA1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Copper-bind	ECOD (1.6)
B	Copper-bind	e3cvbB1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Copper-bind	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)
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	PF00127	Copper binding proteins, plastocyanin/azurin family (Copper-bind)	Copper binding proteins, plastocyanin/azurin family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Plastocyanin	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding electron transfer activity	-	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002387	Plastocyanin	Family
A, B	IPR000923	Blue (type 1) copper domain	Domain
A, B	IPR028871	Blue (type 1) copper protein, binding site	Binding Site
A, B	IPR008972	Cupredoxin	Homologous Superfamily
A, B	IPR023511	Plastocyanin, cyanobacteria	Family
A, B	IPR001235	Blue (type 1) copper protein, plastocyanin-type	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.