Glycosylation is a prevalent, yet heterogeneous modification with a broad range of implications in molecular biology. This heterogeneity precludes enrichment strategies that can be universally beneficial for all glycan classes. Thus, choice of enrichment strategy has profound implications on experimental outcomes. Here we review common enrichment strategies used in modern mass spectrometry-based glycoproteomic experiments, including lectins and other affinity chromatographies, hydrophilic interaction chromatography and its derivatives, porous graphitic carbon, reversible and irreversible chemical coupling strategies, and chemical biology tools that often leverage bioorthogonal handles. Interest in glycoproteomics continues to surge as mass spectrometry instrumentation and software improve, so this review aims to help equip researchers with the necessary information to choose appropriate enrichment strategies that best complement these efforts.
CITATION STYLE
Riley, N. M., Bertozzi, C. R., & Pitteri, S. J. (2021). A pragmatic guide to enrichment strategies for mass spectrometry-based glycoproteomics. Molecular and Cellular Proteomics. American Society for Biochemistry and Molecular Biology Inc. https://doi.org/10.1074/MCP.R120.002277
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