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Related to hydrogenase: nitrogenase
an enzyme that catalyzes the reduction of various substances by combining them with molecular hydrogen.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. Any enzyme that removes a hydride ion (or H:-) from NADH (or NADPH). Synonym(s): hydrogenlyase
2. The enzyme that catalyzes the reaction of 2H+ with ferricytochrome or ferredoxin to generate H2.
Farlex Partner Medical Dictionary © Farlex 2012
An enzyme in certain microorganisms that catalyzes the hydrolysis or reduction of a substrate by molecular hydrogen.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
hydrogenase(1) Hydrogen dehydrogenase, EC 184.108.40.206.
(2) Cytochrome-c3 hydrogenase, EC 220.127.116.11.
(3) EC 18.104.22.168 (transferred to ferredoxin hydrogenase, EC 22.214.171.124).
(4) Any enzyme that removes H+ from NADH or adds H+ to ferricytochrome or ferredoxin.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Any enzyme that removes a hydride ion (or H:-) from NADH (or NADPH) or adds hydrogen to ferricytochrome or to ferredoxin.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
hydrogenasean ENZYME that can use molecular hydrogen to reduce various substances.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005