Detailed Structural Analysis of N-Glycans Released From Glycoproteins in SDS-PAGE Gel Bands Using HPLC Combined With Exoglycosidase Array Digestions

  • Louise Royle
  • Catherine M. Radcliffe
  • Raymond A. Dwek
  • Pauline M. Rudd
Part of the Methods in Molecular Biology book series (MIMB, volume 347)

Abstract

In contrast to the linear sequences of protein and DNA, oligosaccharides are branched structures. In addition, almost all glycoproteins consist of a heterogeneous collection of differently glycosylated variants. Glycan analysis therefore requires high-resolution separation techniques that can provide detailed structural analysis, including both monosaccharide sequence and linkage information. This chapter describes how a combination of high-performance liquid chromatography (HPLC) and exoglycosidase enzyme array digestions can deliver quantitative glycan analysis of sugars released from glycoproteins in sodium dodecyl sulfate-polyacrylamide gel electrophoresis gel bands by matching HPLC elution positions with a database of standard glycans.

Keywords

Sialic Acid Glucose Unit Glycan Structure Platform Shaker PTFE Membrane Filter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Humana Press Inc. 2006

Authors and Affiliations

  • Louise Royle
    • 1
  • Catherine M. Radcliffe
    • 1
  • Raymond A. Dwek
    • 1
  • Pauline M. Rudd
    • 1
  1. 1.Department of Biochemistry, Glycobiology InstituteUniversity of OxfordOxfordEngland

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