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Identification and Characterization of Protein Glycosylation using Specific Endo- and Exoglycosidases
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Published on: December 26, 2011

The in vitro characterization of polyene glycosyltransferases AmphDI and NysDI

Changsheng Zhang1, Rocco Moretti, Jiqing Jiang

  • 1Laboratory for Biosynthetic Chemistry, Pharmaceutical Sciences Division, School of Pharmacy, UW-National Cooperative Drug Discovery Group, Program, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, USA.

Chembiochem : a European Journal of Chemical Biology
|September 18, 2008
PubMed

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Oligosaccharide Assembly01:24

Oligosaccharide Assembly

Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
Multiple sugar molecules that may or may...