MiMiCPy: An Efficient Toolkit for MiMiC-Based QM/MM Simulations

Bharath Raghavan, Florian K. Schackert, Andrea Levy, Sophia K. Johnson, Emiliano Ippoliti, Davide Mandelli*, Jógvan Magnus Haugaard Olsen, Ursula Rothlisberger, Paolo Carloni*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

MiMiC is a highly flexible, extremely scalable multiscale modeling framework. It couples the CPMD (quantum mechanics, QM) and GROMACS (molecular mechanics, MM) codes. The code requires preparing separate input files for the two programs with a selection of the QM region. This can be a tedious procedure prone to human error, especially when dealing with large QM regions. Here, we present MiMiCPy, a user-friendly tool that automatizes the preparation of MiMiC input files. It is written in Python 3 with an object-oriented approach. The main subcommand PrepQM can be used to generate MiMiC inputs directly from the command line or through a PyMOL/VMD plugin for visually selecting the QM region. Many other subcommands are also provided for debugging and fixing MiMiC input files. MiMiCPy is designed with a modular structure that allows seamless extensions to new program formats depending on the requirements of MiMiC.
Original languageEnglish
JournalJournal of Chemical Information and Modeling
Volume63
Issue number5
Pages (from-to)1406–1412
ISSN1549-9596
DOIs
Publication statusPublished - 2023

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