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. 1981 Aug 1;197(2):327–332. doi: 10.1042/bj1970327

Cell-free biosynthesis of erythroglycan in a microsomal fraction from K-562 cells.

T Z Russin, R A Laine, S J Turco
PMCID: PMC1163131  PMID: 6798962

Abstract

Particulate membrane preparations from K-562 [human CML (chronic-myelogenous-leukaemia)-derived] cells catalyse the transfer of [3H]galactose from UDP-[3H]-galactose and [3H]N-acetylglucosamine from UDP-[3H]N-acetylglucosamine into an endogenous product that on digestion with Pronase yields long-chain glycopeptides (mol.wt. 7000--10 000) called 'erythroglycan'. Incorporation of either labelled sugar increased up to 60 min of incubation time. The labelled erythroglycan was isolated by chromatography on Sephadex G-50 and characterized by digestion with endo-beta-galactosidase from Escherichia freundii, followed by analysis on Bio-Gel P-2 and paper chromatography. This digestion gave the following four products: (1) a disaccharide with the sequence beta GlcNAc-beta Gal; (2) a trisaccharide with the sequence betaGal-betaGlcNAc-beta Gal; (3) a larger oligosaccharide containing galactose and N-acetylglucosamine; and (4) a putative protein-linkage region.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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