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Free keywords:
Ion mobility–mass spectrometry; Protein–ligand complexes; Native mass spectrometry; Noncovalent complexes; Catch and release; Collision-induced unfolding
Abstract:
Ion mobility–mass spectrometry (IM-MS) is a powerful tool for the simultaneous analysis of mass, charge, size, and shape of ionic species. It allows the characterization of even low-abundant species in complex samples and is therefore particularly suitable for the analysis of proteins and their assemblies. In the last few years even complex and intractable species have been investigated successfully with IM-MS and the number of publications in this field is steadily growing. This trend article highlights recent advances in which IM-MS was used to study protein–ligand complexes and in particular focuses on the catch and release (CaR) strategy and collision-induced unfolding (CIU).
