succinate dehydrogenase n an iron-containing flavoprotein enzyme that catalyzes often reversibly the dehydrogenation of succinic acid to fumaric acid in the presence of a hydrogen acceptor and that is widely distributed esp. in animal tissues, bacteria, and yeast called also succinic dehydrogenase
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suc·ci·nate de·hy·dro·gen·ase (sukґsĭ-nāt de-hiґdro-jən-ās) [EC 1.3.99.1] an enzyme of the oxidoreductase class that catalyzes the oxidation of succinate to fumarate, using a variety of hydrogen acceptors. An iron-containing flavoprotein, it is a component of succinate dehydrogenase (ubiquinone), an enzyme complex of the tricarboxylic acid cycle.Medical dictionary. 2011.