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New page: left|200px<br /><applet load="2a7e" size="350" color="white" frame="true" align="right" spinBox="true" caption="2a7e, resolution 1.66Å" /> '''On the Routine Use o...
 
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[[Image:2a7e.gif|left|200px]]<br /><applet load="2a7e" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2a7e, resolution 1.66&Aring;" />
'''On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength'''<br />


==Overview==
==On the Routine Use of Soft X-Rays in Macromolecular Crystallography, Part III- The Optimal Data Collection Wavelength==
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.
<StructureSection load='2a7e' size='340' side='right'caption='[[2a7e]], [[Resolution|resolution]] 1.66&Aring;' scene=''>
 
== Structural highlights ==
==About this Structure==
<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 [https://proteopedia.org/fgij/fg.htm?mol=2A7E FirstGlance]. <br>
2A7E is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A7E OCA].  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.66&#8491;</td></tr>
 
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2a7e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2a7e OCA], [https://pdbe.org/2a7e PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2a7e RCSB], [https://www.ebi.ac.uk/pdbsum/2a7e PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2a7e ProSAT]</span></td></tr>
==Reference==
</table>
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:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16131760 16131760]
__TOC__
[[Category: Protein complex]]
</StructureSection>
[[Category: Mueller-Dieckmann, C.]]
[[Category: Large Structures]]
[[Category: Panjikar, S.]]
[[Category: Mueller-Dieckmann C]]
[[Category: Tucker, P.A.]]
[[Category: Panjikar S]]
[[Category: Weiss, M.S.]]
[[Category: Tucker PA]]
[[Category: a-dna]]
[[Category: Weiss MS]]
[[Category: double helix]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jan 29 17:56:04 2008''

Latest revision as of 09:11, 14 February 2024

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

2a7e, resolution 1.66Å

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