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Identification and Characterization of Protein Glycosylation using Specific Endo- and Exoglycosidases
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Immunodetection of glycosyltransferases in gastrointestinal tissues

Joana Gomes1, Celso A Reis

  • 1IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Faculdade de Medicina, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.

Methods in Molecular Biology (Clifton, N.J.)
|June 15, 2013
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...