Cytochrome f: Difference between revisions
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{{STRUCTURE_1ctm| PDB=1ctm | SIZE=400| SCENE= |right|CAPTION=Turnip cytochrome f [[1ctm]] }} | |||
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Revision as of 13:35, 1 March 2012
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.
3D structures of cytochrome f3D structures of cytochrome f
1ctm, 1hcz – tCytf – turnip
1cfm – CrCytf – Chlamydomonas reinhardtii
1e2v, 1e2w, 1e2z – CrCytf (mutant)
1ewh - CrCytf soluble domain
1ci3 - Cytf soluble domain – Phormidium laminosum
Cytf complex with plastocyanin
2pcf – Cytf soluble domain + plastocyanin – spinach – NMR
1tu2 - Cytf soluble domain + plastocyanin – Nostoc – NMR
1tkw - tCytf soluble domain + plastocyanin – NMR
2jxm - Cytf soluble domain + plastocyanin – Prochlorothrix hollandica – NMR
Full cytochrome b6f containing Cytf
1q90 – CrCytf
1vf5, 2e7r - MlCytf – Mastigocladus laminosus
2d2c - MlCytf + dibromo-methyl-isopropylbenzoquinone
2e75 - MlCytf + nonyl-hydroxyquinoline oxide
2e76 - MlCytf + tridecyl-stigmatellin
2zt9 - Cytf - Nostoc