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J Comput Chem. 2012 Jul 30;33(20):1645-61. doi: 10.1002/jcc.22968. Epub 2012 May 8.

Structural informatics, modeling, and design with an open-source Molecular Software Library (MSL).

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  • 1IAVI, Scripps Research Institute, La Jolla, San Diego, California, USA.

Abstract

We present the Molecular Software Library (MSL), a C++ library for molecular modeling. MSL is a set of tools that supports a large variety of algorithms for the design, modeling, and analysis of macromolecules. Among the main features supported by the library are methods for applying geometric transformations and alignments, the implementation of a rich set of energy functions, side chain optimization, backbone manipulation, calculation of solvent accessible surface area, and other tools. MSL has a number of unique features, such as the ability of storing alternative atomic coordinates (for modeling) and multiple amino acid identities at the same backbone position (for design). It has a straightforward mechanism for extending its energy functions and can work with any type of molecules. Although the code base is large, MSL was created with ease of developing in mind. It allows the rapid implementation of simple tasks while fully supporting the creation of complex applications. Some of the potentialities of the software are demonstrated here with examples that show how to program complex and essential modeling tasks with few lines of code. MSL is an ongoing and evolving project, with new features and improvements being introduced regularly, but it is mature and suitable for production and has been used in numerous protein modeling and design projects. MSL is open-source software, freely downloadable at http://msl-libraries.org. We propose it as a common platform for the development of new molecular algorithms and to promote the distribution, sharing, and reutilization of computational methods.

Copyright © 2012 Wiley Periodicals, Inc.

PMID:
22565567
[PubMed - indexed for MEDLINE]
PMCID:
PMC3432414
Free PMC Article
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