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Evidence for an intermediate in the oxidation-reduction of flavoproteins
Journal of Biological Chemistry
Previous publications (14) have drawn attention to the fact that a broad absorption band emerges between 500 and 650 rnp when one of the acyl dehydrogenasesl is reduced by substrate. It was found more recently (6) that a band of the same int.ensity and charact.erist.ics appears during t,he few seconds in which reduction of t.hese flavoproteins by dit,hionite proceeds or during subsequent oxidation by oxygen. The same phenomenon could be observed with the free flavin compounds FAD2 and FMN (7) .pmid:13416254 fatcat:p5363mgz6bdm7jzfofpeexmkmy