Literature DB >> 8824229

Schizosaccharomyces pombe produces novel pyruvate-containing N-linked oligosaccharides.

T R Gemmill1, R B Trimble.   

Abstract

The large N-linked oligosaccharides released by endo-beta-N-acetylglucosaminidase H from Schizosaccharomyces pombe glycoproteins were analyzed for the presence of noncarbohydrate functional groups. No phosphate, sulfate, or acetate could be detected; however, approximately six molecules of pyruvic acid/molecule were found on 98% of the oligosaccharides. Pyruvate moieties were acetal (ketal)-linked to galactose residues in the R configuration to carbons 4 and 6. This is the first report of pyruvate functional groups being attached to N-linked oligosaccharides in yeast and appears only to be the second documentation of this sugar modification in eukaryotes.

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Year:  1996        PMID： 8824229     DOI： 10.1074/jbc.271.42.25945

Source DB:  PubMed          Journal:  J Biol Chem        ISSN： 0021-9258            Impact factor:   5.157


  14 in total

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