Conformational differences between the methoxy groups of QA and QB site ubisemiquinones in bacterial reaction centers: a key role for methoxy group orientation in modulating ubiquinone redox potential
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The 2-Methoxy Group Orientation Regulates the Redox Potential Difference between the Primary (QA) and Secondary (QB) Quinones of Type II Bacterial Photosynthetic Reaction Centers.Redox potential tuning through differential quinone binding in the photosynthetic reaction center of Rhodobacter sphaeroides.Tuning cofactor redox potentials: the 2-methoxy dihedral angle generates a redox potential difference of >160 mV between the primary (Q(A)) and secondary (Q(B)) quinones of the bacterial photosynthetic reaction center.The semiquinone at the Qi site of the bc1 complex explored using HYSCORE spectroscopy and specific isotopic labeling of ubiquinone in Rhodobacter sphaeroides via (13)C methionine and construction of a methionine auxotroph.Colin A. Wraight, 1945-2014.
P2860
Conformational differences between the methoxy groups of QA and QB site ubisemiquinones in bacterial reaction centers: a key role for methoxy group orientation in modulating ubiquinone redox potential
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article científic
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article scientifique
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articolo scientifico
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artigo científico
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bilimsel makale
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scientific article published on 24 June 2013
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Conformational differences bet ...... ing ubiquinone redox potential
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Conformational differences bet ...... ng ubiquinone redox potential.
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Conformational differences bet ...... ing ubiquinone redox potential
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Conformational differences bet ...... ng ubiquinone redox potential.
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Conformational differences bet ...... ing ubiquinone redox potential
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Conformational differences bet ...... ng ubiquinone redox potential.
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P2093
P2860
P356
P1433
P1476
Conformational differences bet ...... ing ubiquinone redox potential
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P2093
Alexander T Taguchi
Colin A Wraight
Patrick J O'Malley
Sergei A Dikanov
P2860
P304
P356
10.1021/BI400489B
P407
P577
2013-06-24T00:00:00Z