Cytochrome f: Difference between revisions

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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 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 f==
'''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>


[[1ctm]], [[1hcz]] – tCytf – turnip<br />
See also [[Hemeproteins]].
[[1cfm]] – CrCytf – ''Chlamydomonas reinhardtii''<br />
[[1e2v]], [[1e2w]], [[1e2z]] – CrCytf (mutant)<br />
[[1ewh]] - CrCytf soluble domain<br />
[[1ci3]] - Cytf soluble domain – ''Phormidium laminosum''


'''Cytf complex with plastocyanin'''
== Structural highlights ==


[[2pcf]] – Cytf soluble domain + plastocyanin – spinach – NMR<br />
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.
[[1tu2]] - Cytf soluble domain + plastocyanin – Nostoc – NMR<br />
[[1tkw]] - tCytf soluble domain + plastocyanin – NMR<br />
[[2jxm]] - Cytf soluble domain + plastocyanin – ''Prochlorothrix hollandica'' – NMR


'''Full cytochrome b6f containing Cytf'''
<scene name='48/484838/Cv/12'>Heme binding site</scene> in Turnip cytochrome f


[[1q90]] – CrCytf <br />
<scene name='48/484838/Cv/13'>Covalent binding of heme to 2 Cys residues</scene>
[[1vf5]], [[2e7r]] - MlCytf – ''Mastigocladus laminosus''<br />
 
[[2d2c]] - MlCytf + dibromo-methyl-isopropylbenzoquinone<br />
<scene name='48/484838/Cv/14'>Fe coordination site</scene> (PDB entry [[1ctm]]).
[[2e75]] - MlCytf + nonyl-hydroxyquinoline oxide<br />
 
[[2e76]] - MlCytf + tridecyl-stigmatellin<br />
==3D structures of cytochrome f==
[[2zt9]] - Cytf - Nostoc
[[Cytochrome f 3D structures]]
 
</StructureSection>
 
== References ==
<references/>
[[Category: Topic Page]]

Latest revision as of 11:24, 9 January 2020

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

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References

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman

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