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Hydrogen deuterium exchange mass spec

Jürgen Claesen, Tomasz Burzykowski
Hydrogen/Deuterium exchange (HDX) has been applied, since the 1930s, as an analytical tool to study the structure and dynamics of (small) biomolecules. The popularity of using HDX to study proteins increased drastically in the last two decades due to the successful combination with mass spectrometry (MS). Together with this growth in popularity, several technological advances have been made, such as improved quenching and fragmentation. As a consequence of these experimental improvements and the increased use of protein-HDXMS, large amounts of complex data are generated, which require appropriate analysis...
September 2017: Mass Spectrometry Reviews
Vladimir Sarpe, Atefeh Rafiei, Morgan Hepburn, Nicholas Ostan, Anthony B Schryvers, David C Schriemer
The Mass Spec Studio package was designed to support the extraction of hydrogen-deuterium exchange and covalent labeling data for a range of mass spectrometry (MS)-based workflows, to integrate with restraint-driven protein modeling activities. In this report, we present an extension of the underlying Studio framework and provide a plug-in for crosslink (XL) detection. To accommodate flexibility in XL methods and applications, while maintaining efficient data processing, the plug-in employs a peptide library reduction strategy via a presearch of the tandem-MS data...
September 2016: Molecular & Cellular Proteomics: MCP
Martial Rey, Vladimir Sarpe, Kyle M Burns, Joshua Buse, Charles A H Baker, Marc van Dijk, Linda Wordeman, Alexandre M J J Bonvin, David C Schriemer
The integration of biophysical data from multiple sources is critical for developing accurate structural models of large multiprotein systems and their regulators. Mass spectrometry (MS) can be used to measure the insertion location for a wide range of topographically sensitive chemical probes, and such insertion data provide a rich, but disparate set of modeling restraints. We have developed a software platform that integrates the analysis of label-based MS and tandem MS (MS(2)) data with protein modeling activities (Mass Spec Studio)...
October 7, 2014: Structure
Ugur Uzuner, Weibing Shi, Lantao Liu, Sanmin Liu, Susie Y Dai, Joshua S Yuan
BACKGROUND: Enzyme dynamics has recently been shown to be crucial for structure-function relationship. Among various structure dynamics analysis platforms, HDX (hydrogen deuterium exchange) mass spectrometry stands out as an efficient and high-throughput way to analyze protein dynamics upon ligand binding. Despite the potential, limited research has employed the HDX mass spec platform to probe regional structure dynamics of enzymes. In particular, the technique has never been used for analyzing cell wall degrading enzymes...
2010: BMC Bioinformatics
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