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Cytochrome f

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{{STRUCTURE_1ctm| PDB=1ctm | SIZE=400| SCENE= |right|CAPTION=Turnip heme-containing cytochrome f [[1ctm]] }}
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<StructureSection load='' size='350' side='right' caption='Turnip heme-containing cytochrome f (PDB entry [[1ctm]])' scene='48/484838/Cv/8'>
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'''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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'''Cytochrome f''' (Cytf) is the largest subunit of the cytochrome b6f complex. This complex transfers electrons between the two reaction center complexes of oxygenic photosynthetic membranes. The cytochrome b6f complex contains 4 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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==3D structures of cytochrome f==
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See also [[Hemeproteins]].
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Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
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== Structural highlights ==
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===Cytf===
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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.
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[[1ctm]], [[1hcz]] – tCytf – turnip<br />
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<scene name='48/484838/Cv/12'>Heme binding site</scene> in Turnip cytochrome f
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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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<scene name='48/484838/Cv/13'>Covalent binding of heme to 2 Cys residues</scene>
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[[2pcf]] – Cytf soluble domain + plastocyanin – spinach – NMR<br />
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<scene name='48/484838/Cv/14'>Fe coordination site</scene> (PDB entry [[1ctm]]).
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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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==3D structures of cytochrome f==
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[[Cytochrome f 3D structures]]
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[[1q90]] – CrCytf <br />
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</StructureSection>
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[[1vf5]], [[2e7r]] - MlCytf – ''Mastigocladus laminosus''<br />
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[[2d2c]] - MlCytf + dibromo-methyl-isopropylbenzoquinone<br />
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== References ==
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[[2e75]] - MlCytf + nonyl-hydroxyquinoline oxide<br />
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<references/>
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[[2e76]] - MlCytf + tridecyl-stigmatellin<br />
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[[Category: Topic Page]]
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[[2zt9]] - Cytf - Nostoc
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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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