Did I infer correctly from Padilla &amp; Yeates (2002) Acta Cryst D59:1124-30 that the L-test could indicate twinning even if data were merged in the apparent higher-symmetry point group?<div>Wolfram Tempel<br><br><div class="gmail_quote">

On Thu, Apr 19, 2012 at 12:45 PM, Patrick Loll <span dir="ltr">&lt;<a href="mailto:pat.loll@drexel.edu">pat.loll@drexel.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

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?<br>
<br>
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?<br>


<br>
Pat<br>
<br>
---------------------------------------------------------------------------------------<br>
Patrick J. Loll, Ph. D.<br>
Professor of Biochemistry &amp; Molecular Biology<br>
Director, Biochemistry Graduate Program<br>
Drexel University College of Medicine<br>
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