CLONING AND EXPRESSION OF A FUNCTIONAL-RAT LIVER D-BETA-HYDROXYBUTYRATE DEHYDROGENASE-BETA-GALACTOSIDASE FUSION PROTEIN IN ESCHERICHIA-COLI

被引:3
作者
CHURCHILL, S [1 ]
CHURCHILL, P [1 ]
机构
[1] UNIV ALABAMA,DEPT BIOL,BOX 870344,TUSCALOOSA,AL 35487
来源
BIOCHEMISTRY AND CELL BIOLOGY-BIOCHIMIE ET BIOLOGIE CELLULAIRE | 1991年 / 69卷 / 09期
关键词
D-BETA-HYDROXYBUTYRATE DEHYDROGENASE; CLONING; EXPRESSION;
D O I
10.1139/o91-100
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
A rat liver bacteriophage-lambda-expression library was probed using polyclonal antibodies raised to purified rat liver D-beta-hydroxybutyrate dehydrogenase (BDH). A clone was selected that contained a 1.2-kb insert. The insert placed in an expression plasmid was utilized to transform Escherichia coli. These cells were shown to possess phosphatidylcholine-dependent BDH activity. Cells transformed with only the plasmid had no detectable BDH activity in the presence of phosphatidylcholine. The expressed activity in E. coli could be inhibited in a dose-dependent manner by BDH antiserum.
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页码:670 / 673
页数:4
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