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 (dē′hī-drŏj′ə-nās′, -nāz′, dē-hī′drə-jə-)
An enzyme that catalyzes the removal of hydrogen from a substrate and the transfer of the hydrogen to an acceptor in an oxidation-reduction reaction.


(Biochemistry) an enzyme, such as any of the respiratory enzymes, that activates oxidation-reduction reactions by transferring hydrogen from substrate to acceptor


(diˈhaɪ drə dʒəˌneɪs, -ˌneɪz)

an oxidoreductase enzyme that catalyzes the removal of hydrogen.
References in periodicals archive ?
Structural insight into the type-II mitochondrial NADH dehydrogenases.
Recently discovered reductive aminases (RedAms) and amine dehydrogenases (AmDHs) will be engineered for enantioselective coupling of alcohols (1o, 2o) with ammonia/amines (1o, 2o, 3o) under redox neutral conditions.
Several dehydrogenases transfer electrons to ETF, which transfer to ETF-QO and ultimately to coenzyme Q within the respiratory chain.
Many specific dehydrogenases transfer hydrogen to either nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotide phosphate (Subhani et al.
Effects of different degrees of iron deficiency on cytochrome P450 complex and pentose phosphate pathway dehydrogenases in the rat.
In higher organisms, they fall into only two categories: xanthine dehydrogenases are involved in metabolic pathways; sulfite oxidases catalyse a small but important set of reactions involved in brain development.
Possible role of liver cytosolic and mitochondrial aldehyde dehydrogenases in acetaldehyde metabolism.
Since dehydrogenases are not active as extracellular enzymes in soil, soil dehydrogenase activity is considered to be a good indicator of overall microbial activity (Dick 1997).
11beta-Hydroxysteroid dehydrogenases (11beta-HSD) are microsomal enzymes that catalyze the conversion of active glucocorticoids (GC) to their inactive 11-dehydro products and vice versa.