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J Chromatogr A. 1996 Jan 12;720(1-2):201-15.

Enzymatic release of oligosaccharides from glycoproteins for chromatographic and electrophoretic analysis.

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  • 1Perkin Elmer, Applied Biosystems Division, Foster City, CA 94404, USA.


For most separations-based analyses of glycoprotein oligosaccharides, the first step is release of the oligosaccharides from the polypeptide. Historically, O-linked and N-linked oligosaccharides have been released from glycoproteins using chemical means, such as alkaline degradation (beta-elimination) or hydrazinolysis. In the last two decades, a growing repertoire of enzymes, including endoglycosidases and glycoamidases, able to release glycoprotein oligosaccharides under mild conditions, have become available. This review traces the discovery, characterization and use of these glycoprotein oligosaccharide releasing enzymes. Emphasis is placed on providing information of practical value for the researcher wishing to incorporate enzymatic oligosaccharide release into their study of glycoprotein oligosaccharide structure and function.

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