noun Date: 1900 an enzyme of various microorganisms that promotes the formation and utilization of gaseous hydrogen

New Collegiate Dictionary. 2001.

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  • Hydrogenase — Hydrogénase Les hydrogénases sont des enzymes qui catalysent de façon réversible la conversion des protons en dihydrogène selon la réaction : 2H+ + 2 e = H2 Il existe deux grandes classes d hydrogénases : les hydrogénases [NiFe] et les… …   Wikipédia en Français

  • Hydrogénase — Les hydrogénases sont des enzymes qui catalysent de façon réversible la conversion des ions H+ (« protons ») en dihydrogène selon la réaction : 2H+ + 2 e = H2 Les sites actifs de ces enzymes sont de nature organométallique et… …   Wikipédia en Français

  • Hydrogenase — A hydrogenase is an enzyme that catalyses the reversible oxidation of molecular hydrogen (H2). Hydrogenases play a vital role in anaerobic metabolism. [cite journal | author=Adams, M.W.W. and Stiefel, E.I. | title=Biological hydrogen production:… …   Wikipedia

  • Hydrogenase — Die Hydrogenasen sind Enzyme, welche die reversible Oxidation des molekularen Wasserstoffs katalysieren: Diese Reaktion spielt eine bedeutende Rolle bei der Stickstofffixierung und bei der Methanogenese von Biomasse zu Methan. Sowohl anaerobe… …   Deutsch Wikipedia

  • Hydrogenase mimic — A hydrogenase mimic is an enzyme mimic of hydrogenase. OverviewThe fields of molecular biology and inorganic chemistry overlap in the study of metalloenzymes in the form of enzyme mimics among other. The advantage of indirect modeling or enzyme… …   Wikipedia

  • Hydrogenase (acceptor) — In enzymology, a hydrogenase (acceptor) (EC number| is an enzyme that catalyzes the chemical reaction:H2 + A ightleftharpoons AH2Thus, the two substrates of this enzyme are H2 and A, whereas its product is AH2.This enzyme belongs to the …   Wikipedia

  • hydrogenase — hy·drog·e·nase (hī drŏjʹə nās , nāz ) n. An enzyme in certain microorganisms that catalyzes the hydrolysis or reduction of a substrate by molecular hydrogen. * * * …   Universalium

  • hydrogenase — noun Any enzyme that catalyzes the formation of hydrogen, or the reversible oxidation of hydrogen …   Wiktionary

  • hydrogenase — 1. Any enzyme that removes a hydride ion (or H:−) from NADH (or NADPH). SYN: hydrogenlyase. 2. The enzyme that catalyzes the reaction of 2H+ with ferricytochrome or ferredoxin to generate H2. * * * hy·drog·e·nase hī dräj ə .nās, .nāz …   Medical dictionary

  • Hydrogenase — Hy|d|ro|ge|na|se [Hydrogen u. ↑ ase], die; , n: Gruppenbez. für als Oxidoreduktasen die reversible Reaktion H2 ⇌ 2H+ + 2 e‒ bewirkende Eisen Schwefel Proteine, die auch Nickel Atome enthalten können. – Ggs.: Dehydrogenase …   Universal-Lexikon

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