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Glycomics is a subset of the field of glycobiology that aims to identify the structure and function of the complete set of glycans (the glycome) produced in a given cell or organism and identify all the genes that encode glycoproteins.
Zebrafish is a popular system for studying the molecular basis of glycan-related human diseases. Here, the authors present glycomic profiles of eight zebrafish organs and establish the organ-specific expression patterns of related biosynthetic enzymes.
This protocol describes a semiquantitative glycoproteomics method using sequential treatment with endoglycosidases to create unique mass signatures to determine glycan occupancy and proportion of high-mannose and complex glycans at each glycosite.