[phenixbb] question about constrain ncs

Pavel Afonine PAfonine at lbl.gov
Thu Oct 1 20:37:20 PDT 2009


phenix.refine model.pdb data.mtz main.ncs=true

will do refinement with NCS restraints. The NCS groups will be 
determined automatically. It may be important to check the automatic choice.
See phenix.refine manual for details:

Also, at this resolution you may consider using TLS and/or group ADP 

phenix.refine does not have NCS constrains, which I believe you do not 
need at this resolution.


On 10/1/09 8:33 PM, crystallogrphy wrote:
> Hi,
> I am refining a 3.6A data set. There are 5 monomers per asymetric 
> unit. I am considering to use constrained NCS to increase the ratio of 
> reflection/parameter. Does phenix.refine has a script to put 
> contrained ncs or I just use simple_ncs_from_pdb to determine the best 
> NCS?
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