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2o2w

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{{STRUCTURE_2o2w| PDB=2o2w | SCENE= }}
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'''Extending powder diffraction to proteins: structure solution of the second SH3 domain from ponsin'''
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===Extending powder diffraction to proteins: structure solution of the second SH3 domain from ponsin===
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==Overview==
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Determination of protein crystal structures is dependent on the growth of high-quality single crystals, a process that is not always successful. Optimum crystallization conditions must be systematically sought for, and microcrystalline powders are frequently obtained in failed attempts to grow the desired crystal. In materials science, structures of samples ranging from ceramics, pharmaceuticals, zeolites, etc., can nowadays be solved, almost routinely, from powdered samples, and there seems to be no fundamental reason, except the sheer size and complexity of the structures involved, why powder diffraction should not be employed to solve structures of small proteins. Indeed, recent work has shown that the high-quality powder diffraction data can be used in the study of protein crystal structures. We report the solution, model building, and refinement of a 67-residue protein domain crystal structure, with a cell volume of 64 879 A3, from powder diffraction. The second SH3 domain of ponsin, a protein of high biological significance due to its role in cellular processes, is determined and refined to resolution limits comparable to single-crystal techniques. Our results demonstrate the power and future applicability of the powder technique in structural biology.
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==About this Structure==
==About this Structure==
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[[Category: Sh3]]
[[Category: Sh3]]
[[Category: Signaling protein]]
[[Category: Signaling protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 10:15:17 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 18:53:55 2008''

Revision as of 15:53, 27 July 2008

Image:2o2w.png

Template:STRUCTURE 2o2w

Extending powder diffraction to proteins: structure solution of the second SH3 domain from ponsin

Template:ABSTRACT PUBMED 17784760

About this Structure

2O2W is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Second SH3 domain of ponsin solved from powder diffraction., Margiolaki I, Wright JP, Wilmanns M, Fitch AN, Pinotsis N, J Am Chem Soc. 2007 Sep 26;129(38):11865-71. Epub 2007 Sep 5. PMID:17784760

Page seeded by OCA on Sun Jul 27 18:53:55 2008

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