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Hello Eugene--

>>> I am trying to use the ensemble.py script to compute a DNA structure using
>>> only NOE and dihedral restraints.  I have set ensembleSize=3D1 and commented
>>> out the dipolar and csa restraints.  The calculation runs fine, but does not
>>> do the final averaging step.  Can anyone suggest what might be causing this
>>> problem?
>> 
>> You mean structure averaging in StructureLoop- right? Are there any
>> warning or error messages? Which arguments are you passing to
>> StructureLoop?
>> 

> I simply tested the script using the sample emsemble.py calculation by
> commenting out all the references to the dipolar restraints files and the
> following proton setup for loops.  In addition, I commented out all the
> x-ray stuff.  I did not modify the call to the StructureLoop at all.  The
> only warning message was
> 
> WARNING: this script overwrites the store7, store8, and store9 arrays
> 
> The calculation generated the specified numberOfStructures pdb files, and
> tried to run the StructureLoop, but did not output the average structure.
> 
> It appears I can work around the problem by simply commenting out the
> potList.append(rdc) line.
> 

So having an (almost?) empty rdc term caused the problem? I'm curious
what went wrong, and am also curious why there was no error message in
the log.

best regards--
Charles
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