Tuning cofactor redox potentials: the 2-methoxy dihedral angle generates a redox potential difference greater than 160 mV between the primary (Q(A)) and secondary (Q(B)) quinones of the photosynthetic reaction center

Only quinones with a 2-methoxy group can act simultaneously as the primary (Q(A)) and secondary (Q(B)) electron acceptors in photosynthetic reaction centers from Rb. sphaeroides. (13)C HYSCORE measurements of the 2-methoxy in the semiquinone states, SQ(A) and SQ(B), were compared with QM calculation...

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Bibliographic Details
Main Authors: Taguchi, Alexander T., Mattis, Aidas J., O'Malley, Patrick J., Dikanov, Sergei A., Wraight, Colin A.
Format: Artigo
Language:Inglês
Published: 2013
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3859466/
https://ncbi.nlm.nih.gov/pubmed/24079813
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/bi4011896
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