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Enzyme electrokinetics: hydrogen evolution and oxidation by Allochromatium vinosum [NiFe]-hydrogenase.

Abstract:

The mechanism of catalytic hydrogen evolution and oxidation by Allochromatium vinosum [NiFe]-hydrogenase has been studied by protein film voltammetry (PFV) with the enzyme adsorbed at a pyrolytic graphite edge electrode. By analyzing the entire shapes of catalytic voltammograms, the energetics of the catalytic cycles (reduction potentials and acidity constants of the active states), including the detailed profiles of activity against pH and the sequences of proton and electron transfers, have...

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Publication status:
Published

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Publisher copy:
10.1021/bi026586e

Authors


Roseboom, W More by this author
Albracht, SP More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Journal:
Biochemistry
Volume:
41
Issue:
52
Pages:
15736-15746
Publication date:
2002-12-05
DOI:
EISSN:
1520-4995
ISSN:
0006-2960
URN:
uuid:cad1d1c7-6bc6-4860-b27e-84c2ac881f60
Source identifiers:
32286
Local pid:
pubs:32286

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