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Medical Term:

flavin adenine dinucleotide


a condensation product of riboflavin and adenosine 5'-diphosphate; the coenzyme of various aerobic dehydrogenases, d-amino-acid oxidase and aldehyde dehydrogenase; strictly speaking, FAD is not a dinucleotide because it contains a sugar alcohol; the coenzyme is reversibly reduced to FADH2.

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