[phenixbb] fixing backbone of selected part during phenix.refine -PS

Pavel Afonine PAfonine at lbl.gov
Thu Apr 8 16:19:04 PDT 2010

A quick remark:

in the example below the atoms in "chain A and resseq 20:50 and 
backbone" will not move but they will participate in calculations of the 
restraints, including NCS. Use NCS groups definition to exclude these 
atoms from NCS.


On 4/8/10 4:16 PM, Pavel Afonine wrote:
> Hi Raja,
>>    Does PHENIX can keep fix the backbone of a selected part in one 
>> chain during refinement using phenix.refine? 
> you can exclude from refinement any selected part of your structure 
> (SA is exception).
>> If yes, can someone tell me the command line promt. 
> phenix.refine model.pdb data.mtz refine.sites.individual="not (chain A 
> and resseq 20:50 and backbone)"
> More atom selection syntax examples:
> http://www.phenix-online.org/documentation/refinement.htm#anch82
> Pavel.
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