Hydrogen production and deuterium-proton exchange reactions catalyzed by <i>Desulfovibrio</i> nickel(II)-substituted rubredoxins

Abstract

The nickel tetrahedral sulfur-coordinated core formed upon metal replacement of the native iron in Desulfovibrio sp. rubredoxins is shown to mimic the reactivity pattern of nickel-containing hydrogenases with respect to hydrogen production, deuterium-proton exchange, and inhibition by carbon monoxide.