minnale wrote:

HI users, I have embedded protein in popc bilayer and ran the minimisation succesfully , before going equilibration I would like to confirm one thing that how to run the equilibration with on which system keep position restrain?

1.we will keep position restrain on all the systems(-DPOSRES_PROTEIN, -DPOSRES_LIPID, -DPOSRES_WATER) at a time ?

or 2. keep position resrain on each system at a time and
  3.is it require to keep position restrain on water?
Could you tell me clearly pls
Thanks alot in advance



If you "equilibrate" your system with every element of it restrained, I think you will accomplish absolutely nothing. Typical procedures for membrane proteins involve equilibrating with restraints on the protein only, allowing the lipids to pack around the protein.
-Justin


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Justin A. Lemkul
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Department of Biochemistry
Virginia Tech
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