Electron Detachment Dissociation of Glycosaminoglycan Tetrasaccharides

Authors
Wolff, J.J.
Chi, L.
Linhardt, Robert J.
Amster, I.J.
ORCID
https://orcid.org/0000-0003-2219-5833
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Issue Date
2007
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
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Full Citation
Electron Detachment Dissociation of Glycosaminoglycan Tetrasaccharides, J. J. Wolff, L. Chi, R. J. Linhardt, I. J. Amster, Journal of the American Society of Mass Spectrometry, 18, 234-244, 2007.
Abstract
The first application of electron detachment dissociation (EDD) to carbohydrates is presented. The structural characterization of glycosaminoglycan (GAG) oligosaccharides by mass spectrometry is a longstanding problem because of the lability of these acidic, polysulfated carbohydrates. Doubly-charged negative ions of four GAG tetrasaccharides are examined by EDD, collisionally activated dissociation (CAD), and infrared multiphoton dissociation (IRMPD). EDD is found to produce information-rich mass spectra with both cross ring and glycosidic cleavage product ions. In contrast, most of the product ions produced by CAD and IRMPD result from glycosidic cleavage. EDD shows great potential as a tool for locating the sites of sulfation and other modifications in glycosaminoglycan oligosaccharides.
Description
Journal of the American Society of Mass Spectrometry, 18, 234-244
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
American Chemical Society (ACS)
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
https://harc.rpi.edu/
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A full text version is available in DSpace@RPI