mailRe: The use of a pdb with the sphere diffusion tensor


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Posted by Edward d'Auvergne on January 10, 2008 - 21:49:
Done!  See https://mail.gna.org/public/relax-commits/2008-01/msg00376.html.
 The current version of the script in the 1.2 line will now properly
handle not having a PDB file if you set the value of PDB_FILE to None.

Nevertheless, I would be very careful with the conclusions.  If there
are regions appearing to exhibit chemical exchange or slow nanosecond
motions - check very carefully that these motions are also present in
the local tm model MI results.  If not, there is a good chance that
you have artificial motions!

Regards,

Edward


On Jan 10, 2008 8:20 PM, Sebastien Morin <sebastien.morin.1@xxxxxxxxx> wrote:
Hi,

I am now helping someone to start with relax and got into a question
about the full_analysis.py script.

In the full_analysis.py script, the following code appears at line 550 :

# Load the PDB file.
if not local_tm:
    pdb(name, PDB_FILE)

For a local tm, no PDB file is needed. That's logic. However, I would
have thought that no pdb file would also be needed for an isotropic
diffusion tensor (sphere).

Am I right ?

Can someone with no 3D structure use the full_analysis.py script to
optimize an isotropic diffusion tensor ?

Thanks !


Sébastien  :)



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