The Enzyme Database

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EC 1.12.1.4     
Accepted name: hydrogenase (NAD+, ferredoxin)
Reaction: 2 H2 + NAD+ + 2 oxidized ferredoxin = 5 H+ + NADH + 2 reduced ferredoxin
Other name(s): bifurcating [FeFe] hydrogenase
Systematic name: hydrogen:NAD+, ferredoxin oxidoreductase
Comments: The enzyme from Thermotoga maritima contains a [FeFe] cluster (H-cluster) and iron-sulfur clusters. It works in the direction evolving hydrogen as a means of eliminating excess reducing equivalents.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Verhagen, M.F., O'Rourke, T. and Adams, M.W. The hyperthermophilic bacterium, Thermotoga maritima, contains an unusually complex iron-hydrogenase: amino acid sequence analyses versus biochemical characterization. Biochim. Biophys. Acta 1412 (1999) 212–229. [PMID: 10482784]
2.  Schut, G.J. and Adams, M.W. The iron-hydrogenase of Thermotoga maritima utilizes ferredoxin and NADH synergistically: a new perspective on anaerobic hydrogen production. J. Bacteriol. 191 (2009) 4451–4457. [PMID: 19411328]
[EC 1.12.1.4 created 2011]
 
 


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