The dimerizer script for Dimer simulations in Gromacs
# dimerizer — This is a tool to convert a standard Gromacs input to a dimerized one. [Gromacs](http://www.gromacs.org/) is a popular tool for proteins simulation. This script allows to run Gromacs simulations with [Dimer Metadynamics](http://pubs.acs.org/doi/abs/10.1021/acs.jctc.6b00691), a replica exchange method recently introduced to enhance the sampling of a probability distribution. This scripts takes a standard Gromacs input, that consists of: * A simulation settings file (.mdp) * An initial configuration file (.pdb) * A topology file (.top) * A forcefield folder, here we have tested charmm22* and charmm36 but any charmm forcefield should work.
The result are modified files for the dimer replicas. See the examples folder for a quickstart, and the doc folder for the inner workings of the script. A paper will be shortly published to explain in details how this is done and show some benchmark and new tests of Dimer Metadynamics.
This is a python2.7 code, to install it remember to use the correct pip version (i.e. pip2.7).
# Auxiliary scripts
There are also two support scripts that help setting up and controlling the simulation.
plread scans through plumed.*.dat files in search for the keyword given as argument and then allows to edit the value in each of the file with a single command.
tune_replicas is a script that given the parameters of the first replica will create a number of replicas with parameters so that the exchange probabilities are close to the target value.
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