dehydrogenasen.

Etymology: < de- prefix + hydrogen n. + -ase suffix.Previous versions of the OED give the stress as: dehyˈdrogenase.

Biochemistry.

Any enzyme that transfers hydrogen from a substrate to an acceptor or performs an equivalent oxidation.

ΚΠ

1923 Chem. Abstr. 17 1274 By the agency of dehydrogenases occurring in muscle, H. is abstracted.

1931 Times Lit. Suppl. 2 July 530/3 The temperature coefficients and energy exchanges of the citric acid dehydrogenase of cucumber seeds.

1946 Nature 17 Aug. 238/2 Different hydrogenase systems..have been studied by the methylene blue technique.

1958 J. S. Fruton & S. Simmonds Gen. Biochem. (ed. 2) xii. 319 An important property of alcohol dehydrogenase (from yeast and from liver), and of other dehydrogenases, is that they catalyze not only electron transfer but also direct hydrogen transfer.

1961 Rep. Comm. Enzymes Internat. Union Biochem. vi. 34 The name ‘dehydrase’, which has been used for both dehydrogenating and dehydrating enzymes, will not be used. ‘Dehydrogenase’ will be used for the former and ‘dehydratase’ for the latter.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).

单词	dehydrogenase
释义	dehydrogenasen. Etymology: < de- prefix + hydrogen n. + -ase suffix.Previous versions of the OED give the stress as: dehyˈdrogenase. Biochemistry. Any enzyme that transfers hydrogen from a substrate to an acceptor or performs an equivalent oxidation. ΚΠ 1923 Chem. Abstr. 17 1274 By the agency of dehydrogenases occurring in muscle, H. is abstracted. 1931 Times Lit. Suppl. 2 July 530/3 The temperature coefficients and energy exchanges of the citric acid dehydrogenase of cucumber seeds. 1946 Nature 17 Aug. 238/2 Different hydrogenase systems..have been studied by the methylene blue technique. 1958 J. S. Fruton & S. Simmonds Gen. Biochem. (ed. 2) xii. 319 An important property of alcohol dehydrogenase (from yeast and from liver), and of other dehydrogenases, is that they catalyze not only electron transfer but also direct hydrogen transfer. 1961 Rep. Comm. Enzymes Internat. Union Biochem. vi. 34 The name ‘dehydrase’, which has been used for both dehydrogenating and dehydrating enzymes, will not be used. ‘Dehydrogenase’ will be used for the former and ‘dehydratase’ for the latter. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019). < n.1923
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