Annotations: 9TGG

Cryo-EM structure of Spinacia oleracea cytochrome b6f complex with bound plastocyanin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
Q	SCOP2B Superfamily	Cupredoxins	8040523	3000886	SCOP2B (2022-06-29)
P	SCOP2B Superfamily	PetN subunit of the cytochrome b6f complex	8094653	3000279	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	PetN subunit of the cytochrome b6f complex	8094653	3000279	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	ISP domain	8041548	3000233	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	ISP domain	8041548	3000233	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8093928	3000966	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8093928	3000966	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Transmembrane di-heme cytochromes	8094397	3000517	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Transmembrane di-heme cytochromes	8094397	3000517	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)
Q	peroxidase	e9tggQ1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
P	peroxidase	e9tggP1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
H	Fusion_gly	e9tggH1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
O	peroxidase	e9tggO1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
G	Fusion_gly	e9tggG1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
N	peroxidase	e9tggN1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
F	Fusion_gly	e9tggF1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
M	peroxidase	e9tggM1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
E	Fusion_gly	e9tggE1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
L	peroxidase	e9tggL1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
D	Fusion_gly	e9tggD1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
K	peroxidase	e9tggK1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
C	Fusion_gly	e9tggC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
J	peroxidase	e9tggJ1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
B	Fusion_gly	e9tggB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)
I	peroxidase	e9tggI1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: peroxidase	ECOD (v295.2)
A	Fusion_gly	e9tggA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Fusion_gly	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
Q	PF00127	Copper binding proteins, plastocyanin/azurin family (Copper-bind)	Copper binding proteins, plastocyanin/azurin family		Domain
H, P	PF03742	PetN (PetN)	PetN	-	Family
G, O	PF02529	Cytochrome B6-F complex subunit 5 (PetG)	Cytochrome B6-F complex subunit 5	-	Family
F, N	PF08041	PetM family of cytochrome b6f complex subunit 7 (PetM)	PetM family of cytochrome b6f complex subunit 7	-	Family
E, M	PF05115	Cytochrome B6-F complex subunit VI (PetL) (PetL)	Cytochrome B6-F complex subunit VI (PetL)	-	Family
D, L	PF00355	Rieske [2Fe-2S] domain (Rieske)	Rieske [2Fe-2S] domain	The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ...	The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in this motif form a disulphide bridge, which stabilises the protein [4].	Domain
C, K	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
C, K	PF01333	Apocytochrome F, C-terminal (Apocytochr_F_C)	Apocytochrome F, C-terminal	This is a sub-family of cytochrome C. See Pfam:PF00034.	Domain
B, J	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD		Domain
A, I	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
Q	Plastocyanin, 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 cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane plastid thylakoid lumen chloroplast thylakoid lumen thylakoid lumen
H, P	Cytochrome b6-f complex subunit 8	electron transfer activity	cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis	protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast membrane intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
G, O	Cytochrome b6-f complex subunit 5	electron transfer activity	cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis	protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast membrane intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
F, N	Cytochrome b6-f complex subunit 7	-	-	protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast membrane intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
E, M	Cytochrome b6-f complex subunit 6	electron transfer activity	-	protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex intracellular anatomical structure cytochrome complex catalytic complex intracellular membraneless organelle intracellular organelle cellular anatomical structure cytochrome b6f complex organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast membrane intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
D, L	Cytochrome b6-f complex iron-sulfur subunit, chloroplastic	oxidoreductase activity catalytic activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity plastoquinol--plastocyanin reductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors, with copper protein as acceptor transporter activity transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding oxidoreductase activity catalytic activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity electron transfer activity plastoquinol--plastocyanin reductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors, with copper protein as acceptor transporter activity transmembrane transporter activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cell periphery cellular anatomical structure plasma membrane membrane 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 membraneless organelle plastid envelope thylakoid chloroplast intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
C, K	Cytochrome f	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 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 cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
B, J	Cytochrome b6-f complex subunit 4	oxidoreductase activity catalytic activity electron transfer activity	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane
A, I	Cytochrome b6	oxidoreductase activity catalytic activity electron transfer activity	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthesis	cellular anatomical structure membrane 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 membraneless organelle cellular anatomical structure membrane 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 membraneless organelle plastid envelope thylakoid chloroplast intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
Q	IPR002387	Plastocyanin	Family
Q	IPR000923	Blue (type 1) copper domain	Domain
Q	IPR028871	Blue (type 1) copper protein, binding site	Binding Site
Q	IPR008972	Cupredoxin	Homologous Superfamily
Q	IPR001235	Blue (type 1) copper protein, plastocyanin-type	Family
H, P	IPR036143	Cytochrome b6-f complex, subunit 8 superfamily	Homologous Superfamily
H, P	IPR005497	Cytochrome b6-f complex, subunit 8	Family
G, O	IPR003683	Cytochrome b6/f complex, subunit 5	Family
G, O	IPR036099	Cytochrome b6/f complex, subunit 5 superfamily	Homologous Superfamily
F, N	IPR012595	PetM of cytochrome b6/f complex subunit 7	Family
F, N	IPR053333	Cytochrome b6-f complex subunit 7	Family
E, M	IPR007802	Cytochrome b6-f complex subunit 6	Family
D, L	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
D, L	IPR005805	Rieske iron-sulphur protein, C-terminal	Domain
D, L	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
D, L	IPR023960	Cytochrome b6-f complex iron-sulfur subunit	Family
D, L	IPR014349	Rieske iron-sulphur protein	Family
D, L	IPR057415	Cytochrome b6-f complex iron-sulfur subunit-like, transmembrane anchor	Domain
C, K	IPR002325	Cytochrome f	Family
C, K	IPR011054	Rudiment single hybrid motif	Homologous Superfamily
C, K	IPR036826	Cytochrome f large domain superfamily	Homologous Superfamily
C, K	IPR024058	Cytochrome f transmembrane anchor	Homologous Superfamily
C, K	IPR024094	Cytochrome f large domain	Domain
B, J	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
B, J	IPR005798	Cytochrome b/b6, C-terminal	Domain
B, J	IPR005870	Cytochrome b6/f complex, subunit IV	Family
B, J	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
A, I	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
A, I	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
A, I	IPR023530	Cytochrome b6, PetB	Family
A, I	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
A, I	IPR005797	Cytochrome b/b6, N-terminal domain	Domain