4DP4

The 1.54 Angstrom crystal structure of reduced (CuI) poplar plastocyanin B at pH 6.0

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 [auth X]	d4dp4x_	All beta proteins	Cupredoxin-like	Cupredoxins	Plastocyanin/azurin-like	automated matches	(Populus nigra ) [TaxId: 3691 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth X]	SCOP2B Superfamily	Cupredoxins	8068797	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 [auth X]	Copper-bind	e4dp4X1	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 [auth X]	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 [auth X]	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 [auth X]	Plastocyanin B, chloroplastic	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding electron transfer activity	-	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

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