PURIFICATION AND PROPERTIES OF ALPHA-GLUCOSIDASE FROM TRICHODERMA-VIRIDE

被引:4
作者
YAMASAKI, Y [1 ]
ELBEIN, AD [1 ]
KONNO, H [1 ]
机构
[1] UNIV ARKANSAS MED SCI HOSP, DEPT BIOCHEM & MOLEC BIOL, LITTLE ROCK, AR 72205 USA
关键词
D O I
10.1271/bbb.59.2181
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
alpha-Glucosidase (EC 3.2.1.20) from Trichoderma viride was purified by a procedure including Sephacryl S-200 HR column chromatography, preparative isoelectric focusing, and Snperdex 200 HR column chromatography. The enzyme was found to have an apparent molecular weight of 67,000 on SDS/PAGE and 65,000 on gelfiltration, showing that the enzyme is a single peptide, The isoelectric point of the enzyme was 5.0. The enzyme hydrolyzed alpha-1,4-glucosidic linkage more rapidly than alpha-1,6-glucosidic and alpha-1,3-glucosidic linkages, The enzyme was weakly inhibited by castanospermine.
引用
收藏
页码:2181 / 2182
页数:2
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