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Flavin binding site differences between lipoamide dehydrogenase and glutathione reductase as revealed by static and
FEBS Letters
|June 22, 1987
Abstract:
Subnanosecond-resolved fluorescence measurements of the FAD bound in glutathione reductase and lipoamide dehydrogenase revealed characteristic differences in dynamic properties of both enzymes, which are considered to have common structural features. The flavin fluorescence in glutathione reductase is quenched mainly via a dynamic mechanism, in agreement with enhanced flexibility of the flavin as inferred from rapid depolarization of the fluorescence.