Equilibration using OpenMM

The functionality of OpenMM will (eventually) include everything that one would need to run modern molecular simulation.
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Siddharth Srinivasan
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Joined: Thu Feb 12, 2009 6:49 pm

Equilibration using OpenMM

Post by Siddharth Srinivasan » Tue Jun 11, 2019 2:56 pm

Hi all

I've been using OpenMM for a while on solvated and equilibrated structures obtained using other means. I was wondering if anyone uses OpenMM to equilibrate a large protein from the initial crystal structure. This would involve
* Solvation using a pre-equilibrated water box or something similar, and adding ions to counter the charge
* Optimizing water positions (MC maybe)
* Relaxing the protein structure to accommodate (restraints/minimization/decaying restraints)

Different groups have different philosophies on equilibration and getting a protein ready for MD, but I'm wondering what the latest and greatest is, and whether this can even be done using OpenMM only.

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