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'''High Pressure Cryocooling of Capillary Sample Cryoprotection and Diffraction Phasing at Long Wavelengths''' | '''High Pressure Cryocooling of Capillary Sample Cryoprotection and Diffraction Phasing at Long Wavelengths''' | ||
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[[Category: Hao, Q.]] | [[Category: Hao, Q.]] | ||
[[Category: Kim, C U.]] | [[Category: Kim, C U.]] | ||
[[Category: | [[Category: High pressure cryocooling]] | ||
[[Category: | [[Category: Sad phasing]] | ||
[[Category: | [[Category: Xenon]] | ||
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Revision as of 08:28, 4 May 2008
High Pressure Cryocooling of Capillary Sample Cryoprotection and Diffraction Phasing at Long Wavelengths
Overview
Crystal cryocooling is usually employed to reduce radiation damage during X-ray crystallography. Recently, a high-pressure cryocooling method has been developed which results in excellent diffraction-quality crystals without the use of penetrative cryoprotectants. Three new developments of the method are presented here: (i) Xe-He high-pressure cryocooling for Xe SAD phasing, (ii) native sulfur SAD phasing and (iii) successful cryopreservation of crystals in thick-walled capillaries without additional cryoprotectants other than the native mother liquor. These developments may be useful for structural solution of proteins without the need for selenomethionine incorporation and for high-throughput protein crystallography.
About this Structure
2OQU is a Single protein structure of sequence from Sus scrofa. Full crystallographic information is available from OCA.
Reference
High-pressure cryocooling for capillary sample cryoprotection and diffraction phasing at long wavelengths., Kim CU, Hao Q, Gruner SM, Acta Crystallogr D Biol Crystallogr. 2007 May;63(Pt 5):653-9. Epub 2007, Apr 21. PMID:17452791 Page seeded by OCA on Sun May 4 11:28:57 2008
