[phenixbb] R/ R free (overall) and R/Rfree (for highest resolution shell)
tg at shelx.uni-ac.gwdg.de
Mon Jan 26 13:26:14 PST 2015
you may also want to take into account that the variation of Rfree is
estimated as Rfree^2/k, where k is the number of reflections in the
shell. If you only have e.g. 100 reflections there, this might simply a
statistical fluctuation, as far as I understand.
On 01/26/2015 10:05 PM, George Devaniranjan wrote:
> I calculated/validated several PDB structures in Phenix.Validation (GUI)
> The R/R-free (overall) is
> Further down I looked at the R/R-free for the highest resolution shell.
> Its 0.2538/0.2446
> I am curious why the R-free for the *highest resolution shell* seems to be
> LOWER than R (work).
> Am I reading the information wrong?
> PDB: 3QL9
> Thank you,
> phenixbb mailing list
> phenixbb at phenix-online.org
Dr Tim Gruene
Institut fuer anorganische Chemie
GPG Key ID = A46BEE1A
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