Cytochrome f: Difference between revisions
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<StructureSection load='1ctm' size=' | <StructureSection load='1ctm' size='450' 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> | |||
== Structural highlights == | == Structural highlights == | ||
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. | ||
<scene name='48/484838/Cv/5'>Heme binding site</scene> in Turnip cytochrome f | |||
<scene name='48/484838/Cv/6'>Covalent binding of heme to 2 Cys residues</scene> | |||
<scene name='48/484838/Cv/7'>Fe coordination site</scene> (PDB entry [[1ctm]]). | |||
</StructureSection> | </StructureSection> | ||
==3D structures of cytochrome f== | ==3D structures of cytochrome f== | ||
Revision as of 15:21, 1 February 2016
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.[1]
Structural highlightsThe 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. in Turnip cytochrome f
(PDB entry 1ctm). |
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3D structures of cytochrome f3D structures of cytochrome f
Updated on 01-February-2016