2oqu
From Proteopedia
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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 with , and as ligands. Active as Pancreatic elastase, with EC number 3.4.21.36 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 Wed Jan 23 15:28:43 2008
Categories: Pancreatic elastase | Single protein | Sus scrofa | Gruner, S.M. | Hao, Q. | Kim, C.U. | CA | SO4 | XE | High pressure cryocooling | Sad phasing | Xenon
