ALCOHOL-DEHYDROGENASE (ADH2) FROM A MUTANT STRAIN OF CANDIDA-GUILLIERMONDII A80-03 - PURIFICATION AND CHARACTERIZATION

被引:0
作者
INDRATI, R [1 ]
OHTA, Y [1 ]
机构
[1] HIROSHIMA UNIV,FAC APPL BIOL SCI,MICROBIAL BIOCHEM LAB,4-4 KAGAMIYAMA 1 CHOME,HIGASHI,HIROSHIMA 724,JAPAN
关键词
CANDIDA-GUILLIERMONDII; DIMER; ALCOHOL DEHYDROGENASE; ADH2;
D O I
暂无
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Alcohol dehydrogenase ADH2 was purified twice from Candida guilliermondii strain A80-03, by ion exchange column chromatography on DEAE-Toyopearl 650M. The enzyme was a dimer of M(r) 98500. ADH2 had a broad substrate specificity, oxidizing secondary alcohols as well as primary alcohols. The enzyme was sensitive to several inhibitors, such as metal chelators and thiol reagents. Kinetic studies suggested that ADH2 oxidized ethanol by an iso ordered sequential mechanism.
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页码:179 / 184
页数:6
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