[phenixbb] twinning question
Gabor Bunkoczi
gb360 at cam.ac.uk
Fri Apr 20 01:34:38 PDT 2012
IMHO. if you have P622 apparent symmetry, your true symmetry could be
either P6, P321, P312, or if you are unlucky, it is P3 and there are 4 twin
domains. So the others are possibly right in suggesting P1 for twinning
tests.
BW, Gabor
On Apr 19 2012, Patrick Loll wrote:
> Dumb question here: When one runs the various twinning tests (e.g.
> phenix.xtriage), is one meant to use data processed in the higher
> symmetry SG, or the lower symmetry SG?
>
> A concrete example: I can process a data set in a 622 point group w/
> reasonable merging statistics, but an abnormally low solvent content
> raises my suspicions. So do I process as P6, and submit these data to the
> twinning test? Or do I submit the data processed as P622?
>
>Pat
>
>
> ---------------------------------------------------------------------------------------
> Patrick J. Loll, Ph. D. Professor of Biochemistry & Molecular Biology
> Director, Biochemistry Graduate Program Drexel University College of
> Medicine Room 10-102 New College Building 245 N. 15th St., Mailstop 497
> Philadelphia, PA 19102-1192 USA
>
>(215) 762-7706
>pat.loll at drexelmed.edu
>
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