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Liquid chromatography-tandem mass spectrometry-based fragmentation analysis of glycopeptides

The use of liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS n ) for the glycoproteomic characterization of glycopeptides is a growing field of research. The N- and O-glycosylated peptides (N- and O-glycopeptides) analyzed typically originate from protease-digested gl...

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Bibliographic Details
Published in:Glycoconjugate journal 2016-06, Vol.33 (3), p.261-272
Main Author: Nilsson, Jonas
Format: Article
Language:English
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Summary:The use of liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS n ) for the glycoproteomic characterization of glycopeptides is a growing field of research. The N- and O-glycosylated peptides (N- and O-glycopeptides) analyzed typically originate from protease-digested glycoproteins where many of them are expected to be biomedically important. Examples of LC-MS 2 and MS 3 fragmentation strategies used to pursue glycan structure, peptide identity and attachment-site identification analyses of glycopeptides are described in this review. MS 2 spectra, using the CID and HCD fragmentation techniques of a complex biantennary N-glycopeptide and a core 1 O-glycopeptide, representing two examples of commonly studied glycopeptide types, are presented. A few practical tips for accomplishing glycopeptide analysis using reversed-phase LC-MS n shotgun proteomics settings, together with references to the latest glycoproteomic studies, are presented.
ISSN:0282-0080
1573-4986
DOI:10.1007/s10719-016-9649-3