On 4/18/13 10:59 AM, Giuseppe wrote:
Dear all
I'm trying to start a simulation with a protein embedded in a bilayer of
POPC molecules, but I have some problems when I pack the lipids around the
protein. Infact I place the protein in the proper position using the
editconf tool with the “-rotate” and “-center” options on, but when I scale
the lipid positions with the perl script (before the energy minimization),
the protein moves up, de facto off from the membrane! Obviously I've set
very strong position-restraining force on protein, but it moves the same.
Probably the problem is trivial, but I can't see it, so any help is much
appreciated.
You probably haven't set up the protein's location in a box with the same
dimensions as the membrane, so it's centered within some different unit cell.
-Justin
--
========================================
Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
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