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7QRM

Cryo-EM structure of catalytically active Spinacia oleracea cytochrome b6f in complex with endogenous plastoquinones at 2.7 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0009507cellular_componentchloroplast
A0009535cellular_componentchloroplast thylakoid membrane
A0009536cellular_componentplastid
A0009579cellular_componentthylakoid
A0015979biological_processphotosynthesis
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0022904biological_processrespiratory electron transport chain
A0046872molecular_functionmetal ion binding
B0009055molecular_functionelectron transfer activity
B0009507cellular_componentchloroplast
B0009535cellular_componentchloroplast thylakoid membrane
B0009536cellular_componentplastid
B0009579cellular_componentthylakoid
B0009767biological_processphotosynthetic electron transport chain
B0015979biological_processphotosynthesis
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0042651cellular_componentthylakoid membrane
C0005506molecular_functioniron ion binding
C0009055molecular_functionelectron transfer activity
C0015979biological_processphotosynthesis
C0020037molecular_functionheme binding
C0042651cellular_componentthylakoid membrane
D0005737cellular_componentcytoplasm
D0005886cellular_componentplasma membrane
D0009055molecular_functionelectron transfer activity
D0009496molecular_functionplastoquinol--plastocyanin reductase activity
D0009507cellular_componentchloroplast
D0009535cellular_componentchloroplast thylakoid membrane
D0009536cellular_componentplastid
D0009579cellular_componentthylakoid
D0009767biological_processphotosynthetic electron transport chain
D0016020cellular_componentmembrane
D0016491molecular_functionoxidoreductase activity
D0046872molecular_functionmetal ion binding
D0051536molecular_functioniron-sulfur cluster binding
D0051537molecular_function2 iron, 2 sulfur cluster binding
D0055085biological_processtransmembrane transport
E0009055molecular_functionelectron transfer activity
E0009507cellular_componentchloroplast
E0009512cellular_componentcytochrome b6f complex
E0009535cellular_componentchloroplast thylakoid membrane
E0009536cellular_componentplastid
E0009579cellular_componentthylakoid
E0015979biological_processphotosynthesis
E0016020cellular_componentmembrane
F0009507cellular_componentchloroplast
F0009512cellular_componentcytochrome b6f complex
F0009535cellular_componentchloroplast thylakoid membrane
F0009536cellular_componentplastid
F0009579cellular_componentthylakoid
F0015979biological_processphotosynthesis
F0016020cellular_componentmembrane
G0009507cellular_componentchloroplast
G0009512cellular_componentcytochrome b6f complex
G0009535cellular_componentchloroplast thylakoid membrane
G0009536cellular_componentplastid
G0009579cellular_componentthylakoid
G0015979biological_processphotosynthesis
G0016020cellular_componentmembrane
G0017004biological_processcytochrome complex assembly
H0009055molecular_functionelectron transfer activity
H0009507cellular_componentchloroplast
H0009512cellular_componentcytochrome b6f complex
H0009535cellular_componentchloroplast thylakoid membrane
H0009536cellular_componentplastid
H0009579cellular_componentthylakoid
H0015979biological_processphotosynthesis
H0016020cellular_componentmembrane
H0017004biological_processcytochrome complex assembly
I0009055molecular_functionelectron transfer activity
I0009507cellular_componentchloroplast
I0009535cellular_componentchloroplast thylakoid membrane
I0009536cellular_componentplastid
I0009579cellular_componentthylakoid
I0015979biological_processphotosynthesis
I0016020cellular_componentmembrane
I0016491molecular_functionoxidoreductase activity
I0022904biological_processrespiratory electron transport chain
I0046872molecular_functionmetal ion binding
J0009055molecular_functionelectron transfer activity
J0009507cellular_componentchloroplast
J0009535cellular_componentchloroplast thylakoid membrane
J0009536cellular_componentplastid
J0009579cellular_componentthylakoid
J0009767biological_processphotosynthetic electron transport chain
J0015979biological_processphotosynthesis
J0016020cellular_componentmembrane
J0016491molecular_functionoxidoreductase activity
J0042651cellular_componentthylakoid membrane
K0005506molecular_functioniron ion binding
K0009055molecular_functionelectron transfer activity
K0015979biological_processphotosynthesis
K0020037molecular_functionheme binding
K0042651cellular_componentthylakoid membrane
L0005737cellular_componentcytoplasm
L0005886cellular_componentplasma membrane
L0009055molecular_functionelectron transfer activity
L0009496molecular_functionplastoquinol--plastocyanin reductase activity
L0009507cellular_componentchloroplast
L0009535cellular_componentchloroplast thylakoid membrane
L0009536cellular_componentplastid
L0009579cellular_componentthylakoid
L0009767biological_processphotosynthetic electron transport chain
L0016020cellular_componentmembrane
L0016491molecular_functionoxidoreductase activity
L0046872molecular_functionmetal ion binding
L0051536molecular_functioniron-sulfur cluster binding
L0051537molecular_function2 iron, 2 sulfur cluster binding
L0055085biological_processtransmembrane transport
M0009055molecular_functionelectron transfer activity
M0009507cellular_componentchloroplast
M0009512cellular_componentcytochrome b6f complex
M0009535cellular_componentchloroplast thylakoid membrane
M0009536cellular_componentplastid
M0009579cellular_componentthylakoid
M0015979biological_processphotosynthesis
M0016020cellular_componentmembrane
N0009507cellular_componentchloroplast
N0009512cellular_componentcytochrome b6f complex
N0009535cellular_componentchloroplast thylakoid membrane
N0009536cellular_componentplastid
N0009579cellular_componentthylakoid
N0015979biological_processphotosynthesis
N0016020cellular_componentmembrane
O0009507cellular_componentchloroplast
O0009512cellular_componentcytochrome b6f complex
O0009535cellular_componentchloroplast thylakoid membrane
O0009536cellular_componentplastid
O0009579cellular_componentthylakoid
O0015979biological_processphotosynthesis
O0016020cellular_componentmembrane
O0017004biological_processcytochrome complex assembly
P0009055molecular_functionelectron transfer activity
P0009507cellular_componentchloroplast
P0009512cellular_componentcytochrome b6f complex
P0009535cellular_componentchloroplast thylakoid membrane
P0009536cellular_componentplastid
P0009579cellular_componentthylakoid
P0015979biological_processphotosynthesis
P0016020cellular_componentmembrane
P0017004biological_processcytochrome complex assembly
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues160
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_00633","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31723268","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6RQF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"31723268","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36638176","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6RQF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7QRM","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31723268","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36638176","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6RQF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7QRM","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"31723268","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36638176","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6RQF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7QRM","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"36638176","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7QRM","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues120
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_01344","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues122
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsBinding site: {"description":"covalent","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues40
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues192
DetailsDomain: {"description":"Rieske"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9438861","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues44
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues8
DetailsTopological domain: {"description":"Lumenal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues14
DetailsTopological domain: {"description":"Stromal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues40
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_00432","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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