INTER-MOLECULAR TRANSGLYCOSYLATION OF CYCLODEXTRIN GLYCOSYLTRANSFERASE TO D-GALACTOSE

被引:10
作者
KITAHATA, S [1 ]
OKADA, S [1 ]
MISAKI, A [1 ]
机构
[1] OSAKA CITY UNIV,FAC SCI LIVING,OSAKA 558,JAPAN
来源
AGRICULTURAL AND BIOLOGICAL CHEMISTRY | 1979年 / 43卷 / 01期
关键词
D O I
10.1080/00021369.1979.10863400
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Intermolecular transglycosylation of cyclodextrin glycosyltransferase from B. megaterium strain No. 5 was examined in the reaction system containing D-galactose and soluble starch. The yield of transfer products to D-galactose were 2 to 3 per cent of those to D-glucose. Four kinds of transfer products to D-galactose as the acceptor were obtained. These compounds were identified to be 1-O-a-D-glucosyl-D-galactose, 3-O-a-D-glucosyl-D-galactose, 2-O-a-D- glucosyl-D-galactose and 4-O-a-D-glucosyl-D-galactose. The transglycosylation to D-galactose was shown to occur at various hydroxyl groups of the acceptor; at C1-, C3- and C2-(C4-) hydroxyl group in the proportion of 26: 10: 1. © 1979, by the Agricultural Chemical Society of Japan.
引用
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页码:151 / 154
页数:4
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