2a7e: Difference between revisions
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[[ | ==On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength== | ||
<StructureSection load='2a7e' size='340' side='right' caption='[[2a7e]], [[Resolution|resolution]] 1.66Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[2a7e]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A7E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2A7E FirstGlance]. <br> | |||
</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2a7e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2a7e OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2a7e RCSB], [http://www.ebi.ac.uk/pdbsum/2a7e PDBsum]</span></td></tr> | |||
<table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
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. | |||
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<ref>PMID:16131760</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
== | |||
< | |||
[[Category: Mueller-Dieckmann, C.]] | [[Category: Mueller-Dieckmann, C.]] | ||
[[Category: Panjikar, S.]] | [[Category: Panjikar, S.]] | ||
Revision as of 07:05, 9 June 2014
On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength
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