Asymmetric Electron Transfer in Cyanobacterial Photosystem I: Charge Separation and Secondary Electron Transfer Dynamics of Mutations Near the Primary Electron Acceptor A0

Point mutations were introduced near the primary electron acceptor sites assigned to A0 in both the PsaA and PsaB branches of Photosystem I in the cyanobacterium Synechocystis sp. PCC 6803. The residues Met688PsaA and Met668PsaB, which provide the axial ligands to the Mg2+ of the eC-A3 and eC-B3 chl...

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Veröffentlicht in:	Biophysical journal 2005-02, Vol.88 (2), p.1238-1249
Hauptverfasser:	Dashdorj, Naranbaatar, Xu, Wu, Cohen, Rachel O., Golbeck, John H., Savikhin, Sergei
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acid Substitution Electron Transport - radiation effects Kinetics Light Mutagenesis, Site-Directed Photobiophysics Photosystem I Protein Complex - analysis Photosystem I Protein Complex - chemistry Photosystem I Protein Complex - radiation effects Spectrophotometry, Ultraviolet Static Electricity Structure-Activity Relationship
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