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Electrochemical Potential-Step Investigations of the Aerobic Interconversions of [NiFe]-Hydrogenase from Allochromatium v inosum : Insights into the Puzzling Difference between Unready and Ready Oxidized Inactive States

2004; American Chemical Society; Volume: 126; Issue: 45 Linguagem: Inglês

10.1021/ja047939v

1943-2984

Sophie E. Lamle, Simon P. J. Albracht, Fräser A. Armstrong,

Advanced battery technologies research

Dynamic electrochemical studies, incorporating catalytic voltammetry and detailed potential-step manipulations, provide compelling evidence that the oxidized inactive state of [NiFe]-hydrogenases termed Unready (or Ni-A) contains a product of partial reduction of O2 that is trapped in the active site.