Sire: An interoperability engine for prototyping algorithms and exchanging information between molecular simulation programs

Christopher J. Woods, Lester O. Hedges, Adrian J. Mulholland, Maturos Malaisree, Paolo Tosco, Hannes H. Loeffler, Miroslav Suruzhon, Matthew Burman, Sofia Bariami, Stefano Bosisio, Gaetano Calabro, Finlay Clark, Antonia S. J. S. Mey, Julien Michel*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

Sire is a Python/C++ library that is used both to prototype new algorithms and as an interoperability engine for exchanging information between molecular simulation programs. It provides a collection of file parsers and information converters that together make it easier to combine and leverage the functionality of many other programs and libraries. This empowers researchers to use sire to write a single script that can, for example, load a molecule from a PDBx/mmCIF file via Gemmi, perform SMARTS searches via RDKit, parameterize molecules using BioSimSpace, run GPU-accelerated molecular dynamics via OpenMM, and then display the resulting dynamics trajectory in a NGLView Jupyter notebook 3D molecular viewer. This functionality is built on by BioSimSpace, which uses sire’s molecular information engine to interconvert with programs such as GROMACS, NAMD, Amber, and AmberTools for automated molecular parameterization and the running of molecular dynamics, metadynamics, and alchemical free energy workflows. Sire comes complete with a powerful molecular information search engine, plus trajectory loading and editing, analysis, and energy evaluation engines. This, when combined with an in-built computer algebra system, gives substantial flexibility to researchers to load, search for, edit, and combine molecular information from multiple sources and use that to drive novel algorithms by combining functionality from other programs. Sire is open source (GPL3) and is available via conda and at a free Jupyter notebook server at https://try.openbiosim.org. Sire is supported by the not-for-profit OpenBioSim community interest company.
Original languageEnglish
Article number202503
Number of pages10
JournalThe Journal of Chemical Physics
Volume160
DOIs
Publication statusPublished - 30 May 2024

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