Information on EC - sulfhydrogenase

for references in articles please use BRENDA:EC1.12.98.4
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IUBMB Comments
An iron-sulfur protein. The enzyme from the hyperthermophilic archaeon Pyrococcus furiosus is part of two heterotetrameric complexes where the beta and gamma subunits function as sulfur reductase and the alpha and delta subunits function as hydrogenases (EC, hydrogen dehydrogenase [NADP+] and EC, hydrogen dehydrogenase [NAD(P)+], respectively). Sulfur can also be used as substrate, but since it is insoluble in aqueous solution and polysulfide is generated abiotically by the reaction of hydrogen sulfide and sulfur, polysulfide is believed to be the true substrate .
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The expected taxonomic range for this enzyme is: Archaea, Bacteria, Eukaryota
hydrogenase ii, sulfur reductase, polysulfide reductase, sulfhydrogenase, polysulfide dehydrogenase, sulhydrogenase, more
H2 + (sulfide)n = hydrogen sulfide + (sulfide)n-1
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