SYNTHESIS OF A TETRASACCHARIDE ACCEPTOR FOR USE IN THE ASSAY OF UDP-GLCPNAC - BETA-D-GALP-(1-]4)-BETA-D-GLCPNAC (GLCNAC TO GAL) BETA(1-]3)-N-ACETYLGLUCOSAMINYLTRANSFERASE ACTIVITY AND THE PENTASACCHARIDE PRODUCT THAT WOULD BE FORMED BY ITS ENZYMATIC GLYCOSYLATION

被引:9
|
作者
SRIVASTAVA, G [1 ]
HINDSGAUL, O [1 ]
机构
[1] UNIV ALBERTA, DEPT CHEM, EDMONTON T6G 2G2, ALBERTA, CANADA
关键词
D O I
10.1016/0008-6215(92)84095-A
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The tetrasaccharide beta-D-Galp-(1 --> 4)-beta-D-GlcpNAc-(1 --> 6)-alpha-D-Manp-(1 --> 6)-beta-D-Manp-OR (2) and the pentasaccharide beta-D-GlcpNAc-(1 --> 3)-beta-D-Galp-(1 --> 4)-beta-D-GlcpNAc-(1 --> 6)-alpha-D-Manp-(1 --> 6)-beta-D-Manp-OR (3), where R = (CH2)8COOMe, have been prepared by using combined chemical and enzymic procedures. Structure 2 is a substrate for UDP-GlcpNAc:beta-D-Galp-(1 --> 4)-beta-D-GlcpNAc (GlcNAc to Gal) beta(1 --> 3)-N-acetylglucosaminyltransferase, and 3 would be the product of its action. Antibodies raised against 3 are intended for use in an ELISA assay that would quantitate the enzymic conversion of immobilized 2 into 3.
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页码:83 / 93
页数:11
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