Energetics of the one-electron reduction steps of riboflavin,FMN and FAD to their fully reduced forms期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Energetics of the one-electron reduction steps of riboflavin,FMN and FAD to their fully reduced forms

Authors:	Robert F. Anderson

Affiliation:	Cancer Research Campaign Gray Laboratory, Mount Vernon Hospital, Northwood, Middlesex HA6 2RN U.K.

Abstract:	The one-electron reduction potentials (E¹₇) of riboflavin, FMN and FAD have been determined using pulse radiolysis from the position of the electron-transfer equilibria between flavins and reference quinones in aqueous solution. The average value for all three flavins E¹₇(F/FH^.) = ? 314 ± 8 mV is used to calculate the second-electron reduction potential of the flavins E²₇(FH^./FH₂(FH^?)) = ? 124 mV.

Keywords:	Riboflavin FMN FAD Reduction potential Electron transfer Pulse radiolysis DQ duroquinone 9,10-anthraquinone-2-sulphonate 1′-propano-2,2′-bipyridinium
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