Hi,

rigid body refinement does not employ any restraints. You can use secondary structure restraints in refinement of individual coordinates.

Actually, you can use secondary structure restraints in constrained rigid body refinement (SA in torsion angle space).

To use secondary structure restraints: "secondary_structure_restraints=true". phenix.refine GUI should have an option for this too.

Pavel.

On 4/7/10 4:38 PM, r n wrote:

Hi
I wanted to do low resolution rigid body refinement with secondary structural restrain. I have not seen
any command or information in the phenix document?
any help
Thanks
ram
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