Protein Crystallography at Ultra-Short Wavelengths : Feasibility Study of Anomalous-Dispersion Experiments at the Xenon K-edge

A protein crystallography experiment at the xenon K-edge (lambda = 0.358 A) has been successfully carried out at the materials science beamline (BL2/ID11) of the ESRF. The samples used in this methodological study were crystals of porcine pancreatic elastase, a 26 kDa protein of known structure. The...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 4(1997), Pt 5 vom: 01. Sept., Seite 287-97
1. Verfasser: Schiltz, M (VerfasserIn)
Weitere Verfasser: Kvick, A, Svensson, O S, Shepard, W, de La Fortelle, E, Prangé, T, Kahn, R, Bricogne, G, Fourme, R
Format: Aufsatz
Sprache:English
Veröffentlicht: 1997
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article
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245 1 0 |a Protein Crystallography at Ultra-Short Wavelengths  |b Feasibility Study of Anomalous-Dispersion Experiments at the Xenon K-edge 
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520 |a A protein crystallography experiment at the xenon K-edge (lambda = 0.358 A) has been successfully carried out at the materials science beamline (BL2/ID11) of the ESRF. The samples used in this methodological study were crystals of porcine pancreatic elastase, a 26 kDa protein of known structure. The diffraction data are of excellent quality. The combination of isomorphous replacement and anomalous dispersion of a single xenon heavy-atom derivative allowed accurate phase determination and the computation of a high-quality electron density map of the protein molecule. This is the first fully documented report on a complete protein crystallography experiment, from data collection up to phase determination and calculation of an electron density map, carried out with data obtained at ultra-short wavelengths. Experimental considerations as well as possible advantages and drawbacks of protein crystallography at very short and ultra-short wavelengths are discussed 
650 4 |a Journal Article 
700 1 |a Kvick, A  |e verfasserin  |4 aut 
700 1 |a Svensson, O S  |e verfasserin  |4 aut 
700 1 |a Shepard, W  |e verfasserin  |4 aut 
700 1 |a de La Fortelle, E  |e verfasserin  |4 aut 
700 1 |a Prangé, T  |e verfasserin  |4 aut 
700 1 |a Kahn, R  |e verfasserin  |4 aut 
700 1 |a Bricogne, G  |e verfasserin  |4 aut 
700 1 |a Fourme, R  |e verfasserin  |4 aut 
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