[phenixbb] twinning question

Ralf Grosse-Kunstleve rwgrosse-kunstleve at lbl.gov
Thu Apr 19 10:54:56 PDT 2012


P6

You may also want to process in P1. xtriage will then try all possible
subgroups of P622.

Ralf

On Thu, Apr 19, 2012 at 9:45 AM, Patrick Loll <pat.loll at drexel.edu> 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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