Objective
This joint project will explore the molecular mechanism of one of the fundamental problems in biological science: the transduction of chemical energy into mechanical work performed by motor proteins. The main goal of the proposed research is to understand how the conformational changes taking place in the myosin head during ATP binding and hydrolysis are connected with transition of the head between different acting-binding states ("weak" and "strong" binding states). For this purpose stable analogues of myosin ATPase intermediates (the ternary complexes of the myosin head with ADP and different phosphate analogues such as orthovanadate, beryllium fluoride, or aluminium fluoride) will be used. Information on structural changes in the myosin head induced by the formation of these complexes will be obtained by studying the thermal denaturation of the myosin head by using of the method of differential scanning calorimetry.
The interaction of these complexes with acting in the absence and in the presence of regulatory proteins (tropomyosin & troponin) will be studied by stopped-flow kinetic measurements as well as by isothermal titration microcalorimetry. Then, site-directed mutagenesis of the myosin head (using Dictyostelium discoideum myosin) will be used to reveal the sites in the head important for the information transfer through the head structure, from the ATPase site to actin-binding sites. The results of these experiments will provide new insights into molecular mechanism of energy transduction in the force generation process.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
CANTERBURY
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.