AMBER: Free energy of dissociation

From: <fatima.chami.durham.ac.uk>
Date: Thu, 5 Jun 2008 13:02:43 +0100

Dear folks,

I am looking to determine the free energy of dissociation of monomer from a
miscelle. I used the Jarzynski's approach to pull the monomer from the
miscelle along a reaction coordinate defined as the distance between their
centre of mass. The same protocol was run for several initial configuration
taken from a 150 ns MD simulation of miscelle in water.

I wondered if the average work to pull the monomer will certainly represent
the free energy of dissociation according to the Jarzynski equality.


If I have to use the Umbrella sampling approach ... I am not very clear about
the windows and the overlap ... an example of this would be great

best wishes
Fatima
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Received on Sun Jun 08 2008 - 06:07:32 PDT
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