Kinetics of phyllosemiquinone oxidation in the Photosystem I reaction centre of Acaryochloris marina

Light-induced electron transfer reactions in the chlorophyll a/d-binding Photosystem I reaction centre of Acaryochloris marina were investigated in whole cells by pump-probe optical spectroscopy with a temporal resolution of ~5ns at room temperature. It is shown that phyllosemiquinone, the secondary...

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Veröffentlicht in:	Biochimica et biophysica acta 2012-02, Vol.1817 (2), p.328-335
Hauptverfasser:	Santabarbara, Stefano, Bailleul, Benjamin, Redding, Kevin, Barber, James, Rappaport, Fabrice, Telfer, Alison
Format:	Artikel
Sprache:	eng
Schlagworte:	Acaryochloris marina ambient temperature Benzoquinones - metabolism Bidirectional electron transfer chlorophyll Chlorophyll d Cyanobacteria - chemistry Cyanobacteria - enzymology Cyanobacteria - growth & development Cyanobacteria - metabolism electron transfer Kinetics oxidation Oxidation-Reduction Photosystem I Photosystem I Protein Complex - chemistry Photosystem I Protein Complex - metabolism Phylloquinone Proteolysis Radical pair spectroscopy Spectrum Analysis Synechocystis - enzymology Synechocystis - growth & development Synechocystis - metabolism Time Factors Vitamin K 1 - chemistry Vitamin K 1 - metabolism
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