1TKW

The transient complex of poplar plastocyanin with turnip cytochrome f determined with paramagnetic NMR

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	d1tkwa_	All beta proteins	Cupredoxin-like	Cupredoxins	Plastocyanin/azurin-like	Plastocyanin	(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	SCOP2B Superfamily	Cupredoxins	8040518	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	cytochrome f, large domain	8040245	3000800	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	cytochrome f, large domain	8040245	3000800	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Rudiment single hybrid motif	8043110	3001910	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	e1tkwA1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Copper-bind	ECOD (1.6)
B	Apocytochr_F_N	e1tkwB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: Apocytochr_F_N	ECOD (1.6)
B	Apocytochr_F_C_N	e1tkwB2	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: Apocytochr_F_C_N	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	2.60.40.830	Mainly Beta	Sandwich	Immunoglobulin-like	Cytochrome f large domain	CATH (4.3.0)
B	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00127	Copper binding proteins, plastocyanin/azurin family (Copper-bind)	Copper binding proteins, plastocyanin/azurin family	-	Domain
B	PF16639	Apocytochrome F, N-terminal (Apocytochr_F_N)	Apocytochrome F, N-terminal	This is the N-terminal domain of cytochrome f. It is a soluble lumen-side domain [1].	Domain
B	PF01333	Apocytochrome F, C-terminal (Apocytochr_F_C)	Apocytochrome F, C-terminal	This is a sub-family of cytochrome C. See Pfam:PF00034.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Plastocyanin A	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding electron transfer activity electron transporter, transferring electrons from cytochrome b6/f complex of photosystem II 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 plastid thylakoid lumen chloroplast thylakoid lumen thylakoid lumen
B	Cytochrome f	binding organic cyclic compound 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	photosynthesis cellular metabolic process metabolic process cellular process	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	IPR002387	Plastocyanin	Family
A	IPR000923	Blue (type 1) copper domain	Domain
A	IPR028871	Blue (type 1) copper protein, binding site	Binding Site
A	IPR008972	Cupredoxin	Homologous Superfamily
A	IPR001235	Blue (type 1) copper protein, plastocyanin-type	Family
B	IPR002325	Cytochrome f	Family
B	IPR011054	Rudiment single hybrid motif	Homologous Superfamily
B	IPR036826	Cytochrome f large domain superfamily	Homologous Superfamily
B	IPR024058	Cytochrome f transmembrane anchor	Homologous Superfamily
B	IPR024094	Cytochrome f large 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 R01GM133198.