Chemoenzymic preparation of a glycoconjugate polymer having a sialyloligosaccharide: Neu5Ac alpha (2-->3)Gal beta (1-->4)GlcNAc.

Abstract:

:Water-soluble polyacrylamide having 3'-sialyl N-acetyl-lactosamine [Neu5Ac alpha (2-->3)Gal beta (1-->4)GlcNAc] was enzymatically prepared by stepwise sugar-elongation on a water-soluble GlcNAc-bearing polyacrylamide. It was demonstrated that the flexible GlcNAc branches of the polymer chains allow quantitative galactosylation with bovine galactosyl transferase and partial sialylation by Trypanosoma cruzi trans-sialidase. Unsialylated N-acetyl-lactosamine side chains can be removed with beta-D-galactosidase and N-acetyl-beta-D-glucosaminidase to afford the targeted polymer containing 3'-sialyl N-acetyl-lactosamine.

authors

Nishimura S,Lee KB,Matsuoka K,Lee YC

doi

10.1006/bbrc.1994.1221

subject

Has Abstract

pub_date

1994-02-28 00:00:00

pages

249-54

issue

1

eissn

0006-291X

issn

1090-2104

pii

S0006291X84712216

journal_volume

199

pub_type

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