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The mechanism of coupled and catalytic electron and proton transfers in flavocytochrome C3 - a model oxidoreductase

ReferenceB19096
Principal Investigator / Supervisor Professor Fraser Armstrong
Co-Investigators /
Co-Supervisors
Institution University of Oxford
DepartmentOxford Chemistry
Funding typeResearch
Value (£) 192,472
StatusCompleted
TypeResearch Grant
Start date 04/08/2003
End date 03/08/2006
Duration36 months

Abstract

Flavocytochrome c3, a soluble fumarate reductase, presents outstanding opportunities to resolve important issues in biological redox catalysis. This arises from a unique combination of factors: 1) the exquisite voltammetry it displays when bound on a graphite electrode, enabling us to observe the FAD and four heme groups and control and measure their reactions; 2) high-resolution x-ray structures; and 3) highly successful molecular biology. We will achieve a detailed picture of how the various catalytic tasks taking place at different centres across the enzyme are coupled and coordinated, and of the physical and molecular mechanisms by which electrons and protons are relayed through an enzyme.

Summary

unavailable
Committee Closed Committee - Biomolecular Sciences (BMS)
Research TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative X - not in an Initiative
Funding SchemeX – not Funded via a specific Funding Scheme
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