Article
Electrostatic influence of QA reduction on the IR vibrational mode of the 10a-ester C==O of HA demonstrated by mutations at residues Glu L104 and Trp L100 in reaction centers from Rhodobacter sphaeroides.
Biochemistry - 15 Apr 1997
Breton J, Nabedryk E, Allen J P, Williams J C
Abstract excerpt
The light-induced QA-/QA FTIR difference spectrum of the photoreduction of the primary quinone (QA) in reaction centers (RCs) from Rhodobacter sphaeroides exhibits a set of complex differential bands between 1750 and 1715 cm(-1). Several of these features correspond in frequency to bands that ble...
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