[gmx-users] Change restraints during md
Mark.Abraham at anu.edu.au
Tue Feb 28 14:20:18 CET 2006
Michal Kolinski wrote:
> Hello all.
> I wonder is there a way for turning off the distance restraints during
> the md simulation.
> I’m currently investigation different binding modes of a small
> ligand inside the active site of the receptor protein.
> I use restraints to force a proper orientation of ligand
> inside the active site during the first stages of the simulation.
> Then I would like to slowly turn off the restraints between protein and
> molecule (without a rapid change in distance restraints force) to
> investigate the complex stability.
> Maybe someone knows how to implement
> it in Gromacs code? Please give me some advice.
You could do it in a stepwise fashion, varying the .top file only for
successive restarts, rather than tweaking with the C code.
More information about the gromacs.org_gmx-users