Cytochrome f

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<StructureSection load='1ctm' size='450' side='right' caption='Turnip heme-containing cytochrome f (PDB entry [[1ctm]])' scene='48/484838/Cv/8'>
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<StructureSection load='' size='350' side='right' caption='Turnip heme-containing cytochrome f (PDB entry [[1ctm]])' scene='48/484838/Cv/8'>
'''Cytochrome f''' (Cytf) is the largest subunit of the cytochrome b6f complex. This complex transfers electrons from plastocyanin to the two reaction center complexes of oxygenic photosynthetic membranes.<ref>PMID:7631417</ref>
'''Cytochrome f''' (Cytf) is the largest subunit of the cytochrome b6f complex. This complex transfers electrons from plastocyanin to the two reaction center complexes of oxygenic photosynthetic membranes.<ref>PMID:7631417</ref>
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See also [[Hemeproteins]].
== Structural highlights ==
== Structural highlights ==
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The cytochrome b6f complex contains 4 subunits: Cytf, Cytb6, Rieske iron-sulfur protein and subunit IV. Cytf has an internal chain of water molecules conserved in all its 3D structures. The water chain is assumed to be a proton wire.
The cytochrome b6f complex contains 4 subunits: Cytf, Cytb6, Rieske iron-sulfur protein and subunit IV. Cytf has an internal chain of water molecules conserved in all its 3D structures. The water chain is assumed to be a proton wire.
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<scene name='48/484838/Cv/9'>Heme binding site</scene> in Turnip cytochrome f
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<scene name='48/484838/Cv/12'>Heme binding site</scene> in Turnip cytochrome f
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<scene name='48/484838/Cv/10'>Covalent binding of heme to 2 Cys residues</scene>
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<scene name='48/484838/Cv/13'>Covalent binding of heme to 2 Cys residues</scene>
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<scene name='48/484838/Cv/11'>Fe coordination site</scene> (PDB entry [[1ctm]]).
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<scene name='48/484838/Cv/14'>Fe coordination site</scene> (PDB entry [[1ctm]]).
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</StructureSection>
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==3D structures of cytochrome f==
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Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
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==3D structures of cytochrome f==
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{{#tree:id=OrganizedByTopic|openlevels=0|
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[[Cytochrome f 3D structures]]
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*Cytf
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</StructureSection>
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**[[1ctm]], [[1hcz]] – tCytf – turnip<br />
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**[[1cfm]] – CrCytf – ''Chlamydomonas reinhardtii''<br />
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**[[1e2v]], [[1e2w]], [[1e2z]] – CrCytf (mutant)<br />
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**[[1ewh]] - CrCytf soluble domain<br />
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**[[1ci3]] - Cytf soluble domain – ''Phormidium laminosum''
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*Cytf complex with plastocyanin
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**[[2pcf]] – Cytf soluble domain + plastocyanin – spinach – NMR<br />
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**[[1tu2]] - Cytf soluble domain + plastocyanin – Nostoc – NMR<br />
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**[[1tkw]] - tCytf soluble domain + plastocyanin – NMR<br />
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**[[2jxm]] - Cytf soluble domain + plastocyanin – ''Prochlorothrix hollandica'' – NMR
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*Full cytochrome b6f containing Cytf
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**[[1q90]] – CrCytf <br />
 
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**[[1vf5]], [[2e74]], [[4i7z]] - MlCytf – ''Mastigocladus laminosus''<br />
 
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**[[2d2c]] - MlCytf + dibromo-methyl-isopropylbenzoquinone<br />
 
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**[[2e75]], [[4hoi]] - MlCytf + nonyl-hydroxyquinoline oxide<br />
 
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**[[2e76]], [[4pv1]], [[4h13]] - MlCytf + stigmatellin derivative<br />
 
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**[[2zt9]], [[4ogq]], [[4h44]] - Cytf - Nostoc<br />
 
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**[[5cxm]] – Cytf – ''Synechocystis''<br />
 
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}}
 
== References ==
== References ==
<references/>
<references/>
[[Category: Topic Page]]
[[Category: Topic Page]]

Current revision

Turnip heme-containing cytochrome f (PDB entry 1ctm)

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References

  1. ↑ Prince RC, George GN. Cytochrome f revealed. Trends Biochem Sci. 1995 Jun;20(6):217-8. PMID:7631417

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman

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