[gmx-users] on the Umbrella Sampling on-line tutorial

Acoot Brett acootbrett at yahoo.com
Tue Apr 3 04:04:01 CEST 2012

Dear All,

I planned to use the method introduced in the Umbrella Sampling on-line tutorial of Justin Lemkul (http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/umbrella/index.html). 

But if a peptide is surrounded by a protein, which means the opening of the protein-complex is not large enough to allow the peptide to leave the protein without significantly breaking the conformation of the protein in the protein-peptide complex, is the Umbrella Sampling method still valid for the binding energy calculation?

Will you please also show me in which part of the tutorial the direction of pull-apart is defined? We should process it in a direction the peptide can leave the protein, not the direction protein will bind the peptide much strongly.

I am looking forward to getting a reply from you.


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