[phenixbb] Maps Bias
pafonine at lbl.gov
Wed Sep 21 16:14:18 PDT 2011
virtually any map computed using model phases is model biased.
2mFo-DFc map computed with m and D estimated using "free" reflections is
less model biased than (Fobs, PHIcalc). See R.Read (1986).
Iterative-build OMIT maps seem to be the least model biased:
*Iterative-build OMIT maps: map improvement by iterative model building
and refinement without model bias.*T. C. Terwilliger, R. W.
Grosse-Kunstleve, P. V. Afonine, N. W. Moriarty, P. D. Adams, R. J.
Read, P. H. Zwart and L.-W. Hung/Acta Cryst./*D64*, 515-524 (2008)
On 9/21/11 4:07 PM, Yuri wrote:
> I was having a discussion with a friend about maps and model bias.
> Is the Fobs/PHImodel more biased than 2FOFCWT/PHI2FOFCWt?
> What about an omit region of these two?
> Thanks for any opinion on this
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the phenixbb