Carbon monoxide dehydrogenase from Rhodospirillum rubrum: effect of redox potential on catalysis.


The Ni-Fe-S-containing C-cluster of carbon monoxide dehydrogenases is the active site for catalyzing the reversible oxidation of CO to CO(2). This cluster can be stabilized in redox states designated C(ox), C(red1), C(int), and C(red2). What had until recently been the best-supported mechanism of catalysis involves a one-electron reductive activation of C… (More)


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