On Wednesday 05 May 2010 12:49:34 am Jon Wright wrote:
>
> I've been curious about this unit cell constant mis-matching for a
> while. If I understood well, Perutz tried to exploit the effect for
> phasing prior to heavy atom methods. As the unit cell changes, the
> diffraction peaks move, intensities change, and the fourier transform of
> the molecule is sampled in between the Bragg peaks. Has anyone tried to
> persue the idea since then?
Acta Cryst. (2000). A56, 596-605 [ doi:10.1107/S010876730001031X ]
On possible extensions of X-ray crystallography through diffraction-pattern oversampling
J. Miao and D. Sayre
Acta Cryst. (2000). D56, 1312-1315 [ doi:10.1107/S0907444900008970 ]
The oversampling phasing method
J. Miao, J. Kirz and D. Sayre
Acta Cryst. (2003). A59, 577-583 [ doi:10.1107/S0108767303021123 ]
Phase extension in crystallography using the iterative Fienup-Gerchberg-Saxton algorithm and Hilbert transforms
J. S. Wu and J. C. H. Spence
> Cheers,
>
> Jon
>
> See, eg, Bragg & Perutz, Proc. R. Soc. Lond. A 22 July 1952 vol. 213 no.
> 1115 425-435. doi: 10.1098/rspa.1952.0136
>
--
Ethan A Merritt
Biomolecular Structure Center, K-428 Health Sciences Bldg
University of Washington, Seattle 98195-7742
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