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Infrared spectroscopy of the nitrogenase MoFe protein under electrochemical control: potential-triggered CO binding

Abstract:

We demonstrate electrochemical control of the nitrogenase MoFe protein, in the absence of Fe protein or ATP, using europium (III/II) polyaminocarboxylate complexes as electron transfer mediators. This allows the potential dependence of proton reduction and inhibitor (CO) binding to the active site FeMo-cofactor to be established. Reduction of protons to H2 is catalyzed by the wild type MoFe protein and β-98Tyr→His and β 99Phe→His variants of the MoFe protein at potentials more negative than -...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1039/C6SC02860H

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Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
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Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
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Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
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Grant:
EnergyBioCatalysis-ERC-2010-StG-258600
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Chemical Science Journal website
Publication date:
2016-10-27
Acceptance date:
2016-10-26
DOI:
EISSN:
2041-6520
ISSN:
2041-6539
Pubs id:
pubs:656646
URN:
uri:f71041f2-d380-48f1-b03a-92e0837e1c53
UUID:
uuid:f71041f2-d380-48f1-b03a-92e0837e1c53
Local pid:
pubs:656646
Keywords:

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