[phenixbb] estimated coordinate error
jzhu at cbr.med.harvard.edu
Wed Aug 1 11:52:09 PDT 2007
I am refining a 2.6 A structure using both phenix.refine and
refmac5. Both programs give me similar R and Rfree values. But the
estimated coordinate errors are quite different.
maximum likelihood estimate for coordinate error: 0.42 A
estimated overall coordinate error:
ESU based on R value: 0.427 A
ESU based on Free R value: 0.293 A
ESU based on maximum likelihood: 0.239 A
I am wondering why they are different.
Jianghai Zhu, Ph.D
CBR Institute for Biomedical Research
Department of Pathology
Harvard Medical School
200 Longwood Ave., Boston, MA 02115
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