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The dimerizer script for Dimer simulations in Gromacs

Project description

# dimerizer — This is a tool to convert a standard Gromacs input to a dimerized one. [Gromacs]( is a popular tool for proteins simulation. This script allows to run Gromacs simulations with [Dimer Metadynamics](, 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

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

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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dimerizer-1.0.1.tar.gz (2.5 MB view hashes)

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