[phenixbb] Refinement use of Friedel pairs

Mark A Saper saper at umich.edu
Wed Jul 11 10:05:28 PDT 2007

I am refining a structure containing SeMet with data collected at  
peak wavelength.  Provided I give the f' and f'', will phenix.refine  
calculate F+ and F- structure factors and use the provided FOBS+ and  
FOBS- ?  CNS does this.  Refmac only uses f' and I get >6 sigma Fo-Fc  
peaks on the Se.

Thanks for your help.
Mark A. Saper, Ph.D.
Associate Professor of Biological Chemistry
Biophysics Research Division, University of Michigan
930 N University Ave
Ann Arbor MI 48109-1055       U.S.A.

saper at umich.edu        (734) 764-3353        fax (734) 764-3323

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