4rhv
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(New page: 200px<br /> <applet load="4rhv" size="450" color="white" frame="true" align="right" spinBox="true" caption="4rhv, resolution 3.0Å" /> '''THE USE OF MOLECULAR...)
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Revision as of 07:04, 18 November 2007
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THE USE OF MOLECULAR-REPLACEMENT PHASES FOR THE REFINEMENT OF THE HUMAN RHINOVIRUS 14 STRUCTURE
Overview
The structure of human rhinovirus 14 has been refined, by the method of, restrained least squares, to an R factor of 0.16 for various random, samples between 6 and 3 A resolution with F greater than 3 sigma (F). As a, first step the non-crystallographic symmetry parameters were optimized, using the initial atomic model in a rigid-body refinement procedure. Phase, determination by the molecular-replacement phase extension and refinement, procedure was continued to 2.94 A resolution, employing the improved, non-crystallographic symmetry operators. The resultant structure-factor, phases and weights, together with the measured amplitudes, constituted the, X-ray observations used in the restrained refinement. The, Hendrickson-Konnert program system [Konnert & Hendrickson (1980). Acta, Cryst. A36, 344-350] was modified to incorporate non-crystallographic, symmetry constrains and structure-factor phases as observations. The, non-bonded contacts between subunits related by non-crystallographic, symmetry were also restrained.
About this Structure
4RHV is a Protein complex structure of sequences from Human rhinovirus 10. This structure superseeds the now removed PDB entries 2RHV and 1RHV. The following page contains interesting information on the relation of 4RHV with [Poliovirus and Rhinovirus]. Full crystallographic information is available from OCA.
Reference
The use of molecular-replacement phases for the refinement of the human rhinovirus 14 structure., Arnold E, Rossmann MG, Acta Crystallogr A. 1988 May 1;44 ( Pt 3):270-82. PMID:2856083
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