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Ishikawa Prefectural University

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JoVE Journal

Improved In-gel Reductive β-Elimination for Comprehensive O-linked and Sulfo-glycomics by Mass Spectrometry
David B. Nix 1,2, Tadahiro Kumagai 1, Toshihiko Katoh 1,3, Michael Tiemeyer 1,2, Kazuhiro Aoki 1
1Complex Carbohydrate Research Center, University of Georgia, 2Department of Biochemistry and Molecular Biology, University of Georgia, 3Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University

In order to comprehensively explore the diversity of O-linked glycans, a new procedure for in-gel reductive β-elimination, combined with permethylation and a rapid phase-partition method, is applied to the analysis of O-linked glycans directly released from glycoproteins resolved by SDS-PAGE and amenable to subsequent glycomic analysis by mass spectrometry.

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