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oxidoreductases

(Science: enzyme) The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidised is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where o2 is the acceptor. (enzyme nomenclature, 1992, p9)

Registry number: EC 1.