A hydrogenase is an enzyme that catalyses the reversible oxidation of molecular hydrogen (H2), as shown below: Hydrogen uptake (1) is coupled to the reduction of electron acceptors such as oxygen, nitrate, sulfate, carbon dioxide, and fumarate. On the other hand, proton reduction (2) is coupled to the oxidation of electron donors such as ferredoxi...
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http://en.wikipedia.org/wiki/Hydrogenase
[NAD+, ferredoxin] The enzyme from Thermotoga maritima contains a [Fe-Fe] cluster (H-cluster) and iron-sulfur clusters. I ...
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http://en.wikipedia.org/wiki/Hydrogenase_(NAD+,_ferredoxin)
[acceptor] Thus, the two substrates of this enzyme are H2 and A, whereas its product is AH2. This enzyme belongs to the family of oxidoreductases, specifically those acting on hydrogen as donor with other acceptors. The systematic name of this enzyme class is hydrogen:acceptor oxidoreductase. Other names in common use include H2 producing h...
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http://en.wikipedia.org/wiki/Hydrogenase_(acceptor)
<enzyme> An enzyme which oxidizes hydrogen (removes its electrons) and attaches it to another molecule. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: hī′drō-jen-ās, hī-droj′ĕ-nās Definitions: 1. Any enzyme that removes a hydride ion (or H:−) from NADH (or NADPH). 2. The enzyme that catalyzes the reaction of 2H+ with ferricytochrome or ferredoxin to generate H
2. Synonyms: hydrogenlyase
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http://www.medilexicon.com/medicaldictionary.php?t=41946
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