Spherically averaged phased translation function and its application to the search for molecules and fragments in electron-density maps
Vagin, Alexey A.; Isupov, MN
Date: 14 June 2001
Journal
Acta Crystallographica - Section D Biological Crystallography
Publisher
nternational Union of Crystallography
Publisher DOI
Abstract
The molecular-replacement method has been extended to locate molecules and their fragments in an electron-density map. The approach is based on a new spherically averaged phased translation function. The position of the centre of mass of a search model is found prior to determination of its orientation. The orientation is subsequently ...
The molecular-replacement method has been extended to locate molecules and their fragments in an electron-density map. The approach is based on a new spherically averaged phased translation function. The position of the centre of mass of a search model is found prior to determination of its orientation. The orientation is subsequently found by a phased rotation function. The technique also allows superposition of distantly related macromolecules. The method has been implemented in a computer program MOLREP and successfully tested using experimental data sets.
Biosciences - old structure
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