Molecular dynamics simulations and analysis of ABC transporters

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Journal Article
Current Computer-Aided Drug Design, 2006, 2 (3), pp. 203 - 214
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The increasing availability of atomic-level protein structures derived from X-ray crystallography and NMR spectroscopy, together with advances in computational power, have ushered in a new era of powerful theoretical approaches to study protein mechanisms and, by extension, use computer-aided structural approach to drug design. Classical molecular dynamics calculations, in which Newton's equations of motion are solved for all atoms in the system, has emerged as an important tool for analysing protein dynamics at physiologically relevant timescales, in ways that are either very difficult or impossible to do experimentally. Indeed, the computer is becoming a kind of virtual microscope that can observe things not observable by any other means. The availability of more sophisticated parallel computer clusters and program suites will lead to simulations that will be capable of examining entire processes such as polypeptide folding pathways and reaction mechanisms. In this review, the incipient application of molecular dynamics analysis of ABC (ATP-Binding Cassette) transporters is surveyed and discussed, with particular relevance to unresolved and controversial issues. © 2006 Bentham Science Publishers Ltd.
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