On 9/30/14 3:31 PM, niyaz.sabir wrote:
Dear Gromacs users,
Is there any tutorial to simulate a protein in water solution containing 
neutral zwitterionic osmolite such as trimethylglycine? Evaluating effects of 
the compound on protein stability/secondary structure flexibility is to be 
considered.

http://www.gromacs.org/Documentation/How-tos/Mixed_Solvents

Add your osmolyte with genbox (gmx insert-molecules in 5.0) -ci -nmol, update the topology, and solvate as usual with water.

-Justin

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==================================================

Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 601
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalem...@outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

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