Ion Mobility-Mass Spectrometry of Glycoconjugates.

Weston B Struwe, David J Harvey

Methods in molecular biology (Clifton, N.J.) 2020

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Glycoconjugates are diverse biomolecules that are dynamically assembled to regulate and fine-tune numerous cellular processes. Their biosynthesis is nontemplate-driven, achieved stepwise in discrete locations within the cell, giving rise to a range of complex branched structures that pose a significant challenge in structural biology. Mass spectrometry is the leading method for analysis of glycoconjugates, and the addition of ion mobility has proven valuable for improving structural assignments of individual glycans in complex biological mixtures. In this chapter, we briefly discuss recent applications of IM for glycomics and describe how to acquire, interpret, and analyze IM-MS data for the analysis of glycans.