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Marcetta Y. Darensbourg and Wolfgang Weigand Sulfoxygenation of Active Site Models of [NiFe] and [FeFe] Hydrogenases – A Commentary on Possible Chemical Models of Hydrogenase Enzyme Oxygen Sensitivity European Journal of Inorganic Chemistry 2011

Version of Record online: 3 FEB 2011 | DOI: 10.1002/ejic.201001148

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An overview of the oxygen sensitivity of [NiFe] and [FeFe] hydrogenase and studies of oxygen reactivity with synthetic analogues of the enzyme active site are presented. Discrete S-oxygenate complexes that maintain the Ni-S or Fe-S connectivity could signify reversible oxygen damage, and a protective, “antioxidant” role of the sulfur atoms in the active sites.

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