2a7c: Difference between revisions

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[[Image:2a7c.gif|left|200px]]
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{{STRUCTURE_2a7c|  PDB=2a7c  |  SCENE=  }}  
{{STRUCTURE_2a7c|  PDB=2a7c  |  SCENE=  }}  


'''On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength'''
===On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength===




==Overview==
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Complete and highly redundant data sets were collected at different wavelengths between 0.80 and 2.65 A for a total of ten different protein and DNA model systems. The magnitude of the anomalous signal-to-noise ratio as assessed by the quotient R(anom)/R(r.i.m.) was found to be influenced by the data-collection wavelength and the nature of the anomalously scattering substructure. By utilizing simple empirical correlations, for instance between the estimated deltaF/F and the expected R(anom) or the data-collection wavelength and the expected R(r.i.m.), the wavelength at which the highest anomalous signal-to-noise ratio can be expected could be estimated even before the experiment. Almost independent of the nature of the anomalously scattering substructure and provided that no elemental X-ray absorption edge is nearby, this optimal wavelength is 2.1 A.
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{{ABSTRACT_PUBMED_16131760}}


==About this Structure==
==About this Structure==
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[[Category: Weiss, M S.]]
[[Category: Weiss, M S.]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 18:42:04 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 16:06:25 2008''

Revision as of 16:06, 29 July 2008

File:2a7c.png

Template:STRUCTURE 2a7c

On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection WavelengthOn the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength

Template:ABSTRACT PUBMED 16131760

About this StructureAbout this Structure

2A7C is a Single protein structure of sequence from Sus scrofa. Full crystallographic information is available from OCA.

ReferenceReference

On the routine use of soft X-rays in macromolecular crystallography. Part III. The optimal data-collection wavelength., Mueller-Dieckmann C, Panjikar S, Tucker PA, Weiss MS, Acta Crystallogr D Biol Crystallogr. 2005 Sep;61(Pt 9):1263-72. Epub 2005, Aug 16. PMID:16131760

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