Oligosaccharides in lysosomal enzymes. Distribution of high-mannose and complex oligosaccharides in cathepsin D and beta-hexosaminidase.


The distribution of the different types of oligosaccharides in cathepsin D and in beta-hexosaminidase synthesized in cultured human fibroblasts was studied by using endo-beta-N-acetylglucosaminidase H as a probe for high-mannose oligosaccharides. The enzymes were specifically labelled in the protein or the carbohydrate moiety. In both enzymes, resistant and… (More)


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