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Synthesis of alpha-Gal epitope derivatives with a galactosyltransferase-epimerase fusion enzyme.

Authors
Type
Published Article
Journal
Carbohydrate Research
0008-6215
Publisher
Elsevier
Publication Date
Volume
329
Issue
4
Pages
873–878
Identifiers
PMID: 11125830
Source
Medline
License
Unknown

Abstract

Alpha-Gal epitopes are carbohydrate structures bearing an alpha-D-Galp-(1-->3)-beta-D-Galp terminus and are the main cause of antibody-mediated hyperacute rejection in xenotransplantation. Nine monosaccharides and ten disaccharides were evaluated as substrates for a fusion protein, which contains both alpha-(1-->3)-galactosyltransferase and uridine-5'-diphosphogalactose 4-epimerase. Four disaccharide and six trisaccharide alpha-Gal epitope derivatives were synthesized utilizing this novel fusion enzyme.

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