[phenixbb] strange MR problem

intekhab alam faisaldbg at gmail.com
Mon Dec 12 21:47:26 PST 2011


Thanks for the reply and suggestions.

regards
intekhab Alam

On Tue, Dec 13, 2011 at 2:07 PM, Nathaniel Echols <nechols at lbl.gov> wrote:

> On Mon, Dec 12, 2011 at 8:58 PM, intekhab alam <faisaldbg at gmail.com>
> wrote:
> > i want to make one clarification here that clashes appear when i used the
> > mtz file generated by CCP4 along with the MR solution from Phaser in
> Refmac
> > 5. Refinemnet is fine in Phenix with R and Rfree of 25/30.
>
> Sorry, I'm not sure what would cause the clashes - hopefully someone
> on ccp4bb will have an answer.  (It could simply be a result of the
> X-ray/geometry weighting not being correct - a sure sign of this,
> regardless of program used, is excessively high RMS(bonds) and
> RMS(angles).)  I'm glad Phenix is working though!
>
> > i am using Phenix 1.7.1.743.
>
> FYI, you should update to 1.7.3 - the geometry may be significantly
> improved at this resolution.
>
> -Nat
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>



-- 
INTEKHAB ALAM
LABORATORY OF STRUCTURAL BIOINFORMATICS
KOREA UNIVERSITY, SEOUL
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