reductase(redirected from 5a-reductase)
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an enzyme that catalyzes a chemical reduction.
5α-reductase an enzyme that catalyzes the irreversible reduction of testosterone to dihydrotestosterone.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
An enzyme that catalyzes a reduction; because all enzymes catalyze reactions in either direction, any reductase can, under the proper conditions, behave as an oxidase and vice versa, hence the term oxidoreductase. For individual reductases, see the specific names.
Synonym(s): reducing enzyme
Farlex Partner Medical Dictionary © Farlex 2012
Any of various enzymes that catalyze the reduction of an organic compound.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
reductaseA generic term for any enzyme that catalyses a chemical reduction reaction.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
An enzyme that catalyzes a reduction; because all enzymes catalyze reactions in either direction, any reductase can, under the proper conditions, behave as an oxidase and vice versa; hence the term oxidoreductase.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
reductasean ENZYME that catalyses the REDUCTION of a compound.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005