From: Vlad Cojocaru (Vlad.Cojocaru_at_eml-r.villa-bosch.de)
Date: Mon Oct 26 2009 - 06:45:30 CDT
Dear Kristian,
I don't know what do you mean by "Random Expulsion" but if you mean the
original method developed in Rebecca Wade's group (where I am working
now) I can provide you our newly developed tcl module to run this method
in NAMD.
This method has been originally published as "Random Expulsion Molecular
Dynamics (REMD)" but because of the abbreviation confusion with Replica
Exchange Molecular Dynamics (REMD), the method is now named "Random
Accelearation Molecular Dynamics" and was originally implemented in
AMBER8. We hope to post on our website the tcl module for NAMD soon.
Tests and documentation are almost completed. We also hope that in some
future release of NAMD, this module will be included. Until then, I can
send it to you in a private email.
However, I must say I am not sure this method is applicable to your
questions. We use this method to investigate pathways used by small
ligands to access buried active sites in proteins. This method was
neither intended nor used to investigate conformational changes in the
protein by applying the random forces on protein residues.
Maybe its another method you are looking for ...
Best wishes
Vlad
kristian krantz wrote:
> Hi,
>
> Does anyone know of a way to apply forces randomly to the center of
> mass of one part of a protein to study conformational changes?
>
> Regards,
> Kristian
-- ---------------------------------------------------------------------------- Dr. Vlad Cojocaru EML Research gGmbH Schloss-Wolfsbrunnenweg 33 69118 Heidelberg Tel: ++49-6221-533202 Fax: ++49-6221-533298 e-mail:Vlad.Cojocaru[at]eml-r.villa-bosch.de http://projects.villa-bosch.de/mcm/people/cojocaru/ ---------------------------------------------------------------------------- EML Research gGmbH Amtgericht Mannheim / HRB 337446 Managing Partner: Dr. h.c. Klaus Tschira Scientific and Managing Director: Prof. Dr.-Ing. Andreas Reuter http://www.eml-r.org ----------------------------------------------------------------------------
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