AMBER: Slowly releasing restraints

From: Marcin Krol <mykrol.cyf-kr.edu.pl>
Date: Tue, 30 Nov 2004 12:12:37 +0100 (MET)

Hello,

I am using amber to refine fragments of a large, multi-domain protein.
I would like to start with fully restraint structure and slowly decrease
restraints during MD. However, the value of RESTRAINT_WT keyword cannot be
varied (or can it be??) and I don't know how to vary weight/harmonic force
constant in GROUP information. Is there a way to gradually decrease
restraint force in one MD run, or I have to run several MD with different
RESTRAINT_WT (or weight in GROUP information) values?

Thank you in advance for your help
marcin
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Received on Tue Nov 30 2004 - 11:53:00 PST
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