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  • Title: Hydrogen-deuterium exchange mass spectrometry reveals folding and allostery in protein-protein interactions.
    Author: Ramirez-Sarmiento CA, Komives EA.
    Journal: Methods; 2018 Jul 15; 144():43-52. PubMed ID: 29627358.
    Abstract:
    Hydrogen-deuterium exchange mass spectrometry (HDXMS) has emerged as a powerful approach for revealing folding and allostery in protein-protein interactions. The advent of higher resolution mass spectrometers combined with ion mobility separation and ultra performance liquid chromatographic separations have allowed the complete coverage of large protein sequences and multi-protein complexes. Liquid-handling robots have improved the reproducibility and accurate temperature control of the sample preparation. Many researchers are also appreciating the power of combining biophysical approaches such as stopped-flow fluorescence, single molecule FRET, and molecular dynamics simulations with HDXMS. In this review, we focus on studies that have used a combination of approaches to reveal (re)folding of proteins as well as on long-distance allosteric changes upon interaction.
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