Quantification of Protein–Ligand Interactions in Solution by Hydrogen/Deuterium Exchange (PLIMSTEX)
Molecular Drug Research Group, Heinrich-Heine-Universität, Universitätsstrasse 1, 40225 Düsseldorf, GermanyDOI: 10.1002/9783527610907.ch11 In book: Mass Spectrometry in Medicinal Chemistry: Applications in Drug Discovery, pp.339 - 375
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ABSTRACT: Affinity-based technologies have become impactful tools to detect, monitor and characterize molecular interactions using recombinant target proteins. This can aid the understanding of biological function by revealing mechanistic details, and even more importantly, enables the identification of new improved ligands that can modulate the biological activity of those targets in a desired fashion. The selection of the appropriate technology is a key step in that process, as each one of the currently available technologies offers a characteristic type of biophysical information about the ligand-binding event. Alongside the indisputable advantages of each of those technologies they naturally display diverse restrictions that are quite frequently related to the target system to be studied but also to the affinity, solubility and molecular size of the ligands. This paper discusses some of the theoretical and experimental aspects of the most common affinity-based methods, what type of information can be gained from each one of those approaches, and what requirements as well as limitations are expected from working with recombinant proteins on those platforms and how those can be optimally addressed.Journal of Structural Biology 10/2010; 172(1):142-57. DOI:10.1016/j.jsb.2010.06.024 · 3.23 Impact Factor
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