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7ZXY

3.15 Angstrom cryo-EM structure of the dimeric cytochrome b6f complex from Synechocystis sp. PCC 6803 with natively bound plastoquinone and lipid molecules.

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0009512cellular_componentcytochrome b6f complex
A0009579cellular_componentthylakoid
A0015979biological_processphotosynthesis
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0022904biological_processrespiratory electron transport chain
A0031676cellular_componentplasma membrane-derived thylakoid membrane
A0042651cellular_componentthylakoid membrane
A0046872molecular_functionmetal ion binding
B0009055molecular_functionelectron transfer activity
B0009512cellular_componentcytochrome b6f complex
B0009579cellular_componentthylakoid
B0009767biological_processphotosynthetic electron transport chain
B0015979biological_processphotosynthesis
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0031676cellular_componentplasma membrane-derived thylakoid membrane
B0042651cellular_componentthylakoid membrane
C0005506molecular_functioniron ion binding
C0009055molecular_functionelectron transfer activity
C0009512cellular_componentcytochrome b6f complex
C0009579cellular_componentthylakoid
C0015979biological_processphotosynthesis
C0016020cellular_componentmembrane
C0020037molecular_functionheme binding
C0031676cellular_componentplasma membrane-derived thylakoid membrane
C0042651cellular_componentthylakoid membrane
C0046872molecular_functionmetal ion binding
D0004497molecular_functionmonooxygenase activity
D0005886cellular_componentplasma membrane
D0009496molecular_functionplastoquinol--plastocyanin reductase activity
D0009579cellular_componentthylakoid
D0015979biological_processphotosynthesis
D0016020cellular_componentmembrane
D0016491molecular_functionoxidoreductase activity
D0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
D0031676cellular_componentplasma membrane-derived thylakoid membrane
D0042651cellular_componentthylakoid membrane
D0046872molecular_functionmetal ion binding
D0051536molecular_functioniron-sulfur cluster binding
D0051537molecular_function2 iron, 2 sulfur cluster binding
D0055085biological_processtransmembrane transport
F0009055molecular_functionelectron transfer activity
F0009512cellular_componentcytochrome b6f complex
F0009579cellular_componentthylakoid
F0015979biological_processphotosynthesis
F0016020cellular_componentmembrane
F0031676cellular_componentplasma membrane-derived thylakoid membrane
F0042651cellular_componentthylakoid membrane
G0009512cellular_componentcytochrome b6f complex
G0009579cellular_componentthylakoid
G0015979biological_processphotosynthesis
G0016020cellular_componentmembrane
G0017004biological_processcytochrome complex assembly
G0031676cellular_componentplasma membrane-derived thylakoid membrane
G0042651cellular_componentthylakoid membrane
H0009055molecular_functionelectron transfer activity
H0009512cellular_componentcytochrome b6f complex
H0009579cellular_componentthylakoid
H0015979biological_processphotosynthesis
H0016020cellular_componentmembrane
H0017004biological_processcytochrome complex assembly
H0031676cellular_componentplasma membrane-derived thylakoid membrane
H0042651cellular_componentthylakoid membrane
I0009055molecular_functionelectron transfer activity
I0009512cellular_componentcytochrome b6f complex
I0009579cellular_componentthylakoid
I0015979biological_processphotosynthesis
I0016020cellular_componentmembrane
I0016491molecular_functionoxidoreductase activity
I0022904biological_processrespiratory electron transport chain
I0031676cellular_componentplasma membrane-derived thylakoid membrane
I0042651cellular_componentthylakoid membrane
I0046872molecular_functionmetal ion binding
J0009055molecular_functionelectron transfer activity
J0009512cellular_componentcytochrome b6f complex
J0009579cellular_componentthylakoid
J0009767biological_processphotosynthetic electron transport chain
J0015979biological_processphotosynthesis
J0016020cellular_componentmembrane
J0016491molecular_functionoxidoreductase activity
J0031676cellular_componentplasma membrane-derived thylakoid membrane
J0042651cellular_componentthylakoid membrane
K0005506molecular_functioniron ion binding
K0009055molecular_functionelectron transfer activity
K0009512cellular_componentcytochrome b6f complex
K0009579cellular_componentthylakoid
K0015979biological_processphotosynthesis
K0016020cellular_componentmembrane
K0020037molecular_functionheme binding
K0031676cellular_componentplasma membrane-derived thylakoid membrane
K0042651cellular_componentthylakoid membrane
K0046872molecular_functionmetal ion binding
L0004497molecular_functionmonooxygenase activity
L0005886cellular_componentplasma membrane
L0009496molecular_functionplastoquinol--plastocyanin reductase activity
L0009579cellular_componentthylakoid
L0015979biological_processphotosynthesis
L0016020cellular_componentmembrane
L0016491molecular_functionoxidoreductase activity
L0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
L0031676cellular_componentplasma membrane-derived thylakoid membrane
L0042651cellular_componentthylakoid membrane
L0046872molecular_functionmetal ion binding
L0051536molecular_functioniron-sulfur cluster binding
L0051537molecular_function2 iron, 2 sulfur cluster binding
L0055085biological_processtransmembrane transport
N0009055molecular_functionelectron transfer activity
N0009512cellular_componentcytochrome b6f complex
N0009579cellular_componentthylakoid
N0015979biological_processphotosynthesis
N0016020cellular_componentmembrane
N0031676cellular_componentplasma membrane-derived thylakoid membrane
N0042651cellular_componentthylakoid membrane
O0009512cellular_componentcytochrome b6f complex
O0009579cellular_componentthylakoid
O0015979biological_processphotosynthesis
O0016020cellular_componentmembrane
O0017004biological_processcytochrome complex assembly
O0031676cellular_componentplasma membrane-derived thylakoid membrane
O0042651cellular_componentthylakoid membrane
P0009055molecular_functionelectron transfer activity
P0009512cellular_componentcytochrome b6f complex
P0009579cellular_componentthylakoid
P0015979biological_processphotosynthesis
P0016020cellular_componentmembrane
P0017004biological_processcytochrome complex assembly
P0031676cellular_componentplasma membrane-derived thylakoid membrane
P0042651cellular_componentthylakoid membrane
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsTRANSMEM: Helical => ECO:0000255
ChainResidueDetails
HILE3-VAL23
PILE3-VAL23
BPRO127-ALA147
JILE36-ILE56
JLEU95-GLU115
JPRO127-ALA147
ILEU123-TYR143
ILEU193-ILE213

site_idSWS_FT_FI2
Number of Residues8
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_01335
ChainResidueDetails
DCYS120
ISER219
DHIS122
DCYS138
DHIS141
LCYS120
LHIS122
LCYS138
LHIS141
IILE218

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: covalent => ECO:0000250
ChainResidueDetails
CCYS22
CCYS25
KCYS22
KCYS25

site_idSWS_FT_FI4
Number of Residues8
DetailsBINDING: axial binding residue => ECO:0000269|PubMed:35726684, ECO:0007744|PDB:7R0W, ECO:0007744|PDB:7ZXY
ChainResidueDetails
AHIS93
AHIS107
AHIS194
AHIS209
IHIS93
IHIS107
IHIS194
IHIS209

site_idSWS_FT_FI5
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:35726684, ECO:0007744|PDB:7R0W
ChainResidueDetails
AARG94
IARG94

site_idSWS_FT_FI6
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:35726684, ECO:0007744|PDB:7ZXY
ChainResidueDetails
AARG214
IARG214

237735

PDB entries from 2025-06-18

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