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New methods of solving protein structures

ReferenceB10319
Principal Investigator / Supervisor Professor C Gilmore
Co-Investigators /
Co-Supervisors
Professor Neil William Isaacs, Dr Adrian Lapthorn
Institution University of Glasgow
DepartmentSchool of Chemistry
Funding typeResearch
Value (£) 121,186
StatusCompleted
TypeResearch Grant
Start date 01/07/1999
End date 01/07/2002
Duration36 months

Abstract

We intend to establish new procedures for solving difficult protein crystal structures using the maximum entropy-likelihood formalism. The methods will be applied to problems that are currently intractable: low resolution ab initio or near ab initio phasing when the crystals diffract to 4 angstroms or less, the determination of heavy atom co-ordinates for the MIR case where there is a serious lack of isomorphism, and MAD experiments with a very large number of Se atoms. In addition the methodology described can greatly assist with problems concerning the definition of protein envelopes, the resolution of MIR/SIR phase ambiguities, the determination of non-crystallographic symmetry parameters, phase refinement, and generation of the final electron density map. The methods will be incorporated into the standard CCP4 suite of computer programs.

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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