AMBER Archive (2007)Subject: Re: AMBER: topology for postprocessed files?
From: Vlad Cojocaru (Vlad.Cojocaru_at_eml-r.villa-bosch.de) 
Date: Thu Apr 12 2007 - 05:07:08 CDT
 
 
 
 
Dear Anna,
 
 You can create a pdb file with your stripped system and reload it into 
 
Leap and save the new topology file ...\
 
As for the energies, you can do a single step calculation with sander on 
 
the snapshot(s) that you are interested in ..
 
 Best
 
vlad
 
 anna.schrey_at_gmx.de wrote:
 
 >Deas Amber community,
 
>
 
>I would like to postprocess trajectories that way that I have to remove cetrain residues (e.g. a ligand) and calculate the energies afterwerds. The trajecotries are no problem, they can be modified that way using ptraj. But how to get the corresponding topology file? And how can I calculate the energies (e.g. E_el and E_vdw) with SANDER?
 
>
 
>kind regards,
 
>
 
>Anna 
 
>  
 
>
 
 
-- 
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Dr. Vlad Cojocaru
EML Research gGmbH
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Fax: ++49-6221-533298
 e-mail:Vlad.Cojocaru[at]eml-r.villa-bosch.de
 http://projects.villa-bosch.de/mcm/people/cojocaru/
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