9ES9

Cryo-EM structure of Spinacia oleracea cytochrome b6f complex with inhibitor DBMIB bound at plastoquinol oxidation site

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Transmembrane di-heme cytochromes	8094397	3000517	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Transmembrane di-heme cytochromes	8094397	3000517	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8093928	3000966	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8093928	3000966	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	ISP domain	8041548	3000233	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	ISP domain	8041548	3000233	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	PetN subunit of the cytochrome b6f complex	8094653	3000279	SCOP2B (2022-06-29)
P	SCOP2B Superfamily	PetN subunit of the cytochrome b6f complex	8094653	3000279	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, I	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB		Domain
B, J	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD		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
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
E, M	PF05115	Cytochrome B6-F complex subunit VI (PetL) (PetL)	Cytochrome B6-F complex subunit VI (PetL)	-	Family
F, N	PF08041	PetM family of cytochrome b6f complex subunit 7 (PetM)	PetM family of cytochrome b6f complex subunit 7	-	Family
G, O	PF02529	Cytochrome B6-F complex subunit 5 (PetG)	Cytochrome B6-F complex subunit 5	-	Family
H, P	PF03742	PetN (PetN)	PetN	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, I	Cytochrome b6	oxidoreductase activity catalytic activity electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity cation binding ion binding binding metal ion binding small molecule binding	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
B, J	Cytochrome b6-f complex subunit 4	oxidoreductase activity catalytic activity electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport photosynthesis photosynthesis, light reaction photosynthetic electron transport chain	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle membrane chloroplast thylakoid membrane plastid membrane plastid organelle outer membrane plastid thylakoid membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle membrane chloroplast thylakoid membrane plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast intracellular membraneless organelle thylakoid membrane chloroplast thylakoid outer membrane photosynthetic membrane organelle membrane respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex transporter complex respiratory chain complex III transmembrane transporter complex oxidoreductase complex
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
D, L	Cytochrome b6-f complex iron-sulfur subunit, chloroplastic	electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase 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 catalytic activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase 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 catalytic activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	-	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
E, M	Cytochrome b6-f complex subunit 6	electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity	photosynthesis metabolic process cellular process	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 membrane
G, O	Cytochrome b6-f complex subunit 5	electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity	photosynthesis metabolic process cellular process cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly 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
H, P	Cytochrome b6-f complex subunit 8	electron transfer activity electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity	photosynthesis metabolic process cellular process cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly 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
Q, R	Thylakoid soluble phosphoprotein	protein-containing complex binding binding chloroplast photosystem I binding lipid binding chloroplast photosystem II binding PSII associated light-harvesting complex II binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid membrane-bounded organelle plastid cytoplasm intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid membrane-bounded organelle plastid cytoplasm intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
B, J	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
B, J	IPR005870	Cytochrome b6/f complex, subunit IV	Family
B, J	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
B, J	IPR005798	Cytochrome b/b6, C-terminal	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
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
E, M	IPR007802	Cytochrome b6-f complex subunit 6	Family
F, N	IPR012595	PetM of cytochrome b6/f complex subunit 7	Family
F, N	IPR053333	Cytochrome b6-f complex subunit 7	Family
G, O	IPR003683	Cytochrome b6/f complex, subunit 5	Family
G, O	IPR036099	Cytochrome b6/f complex, subunit 5 superfamily	Homologous Superfamily
H, P	IPR036143	Cytochrome b6-f complex, subunit 8 superfamily	Homologous Superfamily
H, P	IPR005497	Cytochrome b6-f complex, subunit 8	Family
Q, R	IPR037244	Thylakoid soluble phosphoprotein TSP9 superfamily	Homologous Superfamily
Q, R	IPR021584	Thylakoid soluble phosphoprotein TSP9	Family