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. 1988 Jan;369(1):55-63.
doi: 10.1515/bchm3.1988.369.1.55.

Biosynthesis of gangliosides from asialogangliosides in rat liver Golgi vesicles

G Pohlentz  1 , D Klein, D Schmitz, G Schwarzmann, J Peter-Katalinić, K Sandhoff
Affiliations

Biosynthesis of gangliosides from asialogangliosides in rat liver Golgi vesicles

G Pohlentz et al. Biol Chem Hoppe Seyler. 1988 Jan.

Abstract

Biosynthesis of glycolipids GA2, GA1, GM1b, and GD1c was studied in Golgi vesicles isolated from rat liver. Sequential addition of N-acetylgalactosamine, galactose and two sialic acid residues to lactosylceramide led to the endproduct GD1c. Activities of the corresponding glycosyltransferases were shown to be present in isolated Golgi vesicles and their respective kinetic data were determined. The products of each reaction were characterized by their mobility on thin-layer chromatography, by enzymic degradation to their respective precursors, and in case of GM1b by FAB mass spectrometry.

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