Praji,

This has been discussed a number of times in CCP4BB. TLS is nothing but a cheaper (parameter wise) way to incorporate anisotropic aspects in the refinement when the resolution is not as high as, lets say 1.5A. Therefore, it is only just if the ANAISOU record is also there.

Now, it depends on the individual developers how they want to write the output. Refmac does it in the header of the pdb, Phenix does it right after the ATOM record. In general, try to stick to one program.

HTH, Partha



On Fri, Jul 2, 2010 at 4:08 PM, Mirage Singh Baliyan <miragesingh@rediffmail.com> wrote:
Dear all,
I am refining a 2.25 A structure in phenix using TLS parameters. In the generated PDB there is one ANISOU record along with the ATOM record. I am not understanding this. can anybody help me about this

Regards
Mirage singh

Protein crystallography Laboratory
IMTECH (IMTECH is a research establishment of CSIR, india)
Chandigarh

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