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Electrocatalytic mechanism of reversible hydrogen cycling by enzymes and distinctions between the major classes of hydrogenases.

Abstract:

The extraordinary ability of Fe- and Ni-containing enzymes to catalyze rapid and efficient H(+)/H(2) interconversion--a property otherwise exclusive to platinum metals--has been investigated in a series of experiments combining variable-temperature protein film voltammetry with mathematical modeling. The results highlight important differences between the catalytic performance of [FeFe]-hydrogenases and [NiFe]-hydrogenases and justify a simple model for reversible catalytic electron flow in e...

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Publication status:
Published

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Publisher copy:
10.1073/pnas.1204770109

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
109
Issue:
29
Pages:
11516-11521
Publication date:
2012-07-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:b49e12c7-b99e-4e37-aeef-715a0798c29c
Source identifiers:
342296
Local pid:
pubs:342296

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