That might be a sign of pseudo-translational symmetry. Check your native
patterson. phenix.xtriage will also tell you. In the presence of
pseudo-translational symmetry, twinning stats will be hard to interpret.
Engin
On 9/22/09 12:31 PM, Ben Flath wrote:
Hi all
when subjecting my data to the perfect twin test <I*2>/<I>*2 I get
values very close to 3 which is far off the theoretical values of 1.5
and 2 for twinned and untwinned data.
can anyone shed some light on what might be going on with my data.
Could tetartohedral twinning have anything to do with it?
Thanks
---------------------------------
Benjamin Flath
College of Pharmacy and Nutrition
University of Saskatchewan
320 Thorvaldson Building
110 Science Place
Saskatoon, SK
S7N 5C9
--
Engin Özkan
Post-doctoral Scholar
Howard Hughes Medical Institute
Dept of Molecular and Cellular Physiology
279 Campus Drive, Beckman Center B173
Stanford School of Medicine
Stanford, CA 94305
ph: (650)-498-7111
