CRYSTALLIZATION AND PRELIMINARY-X-RAY STUDIES OF A BACILLUS-SUBTILIS AND THERMUS-THERMOPHILUS HB8 CHIMERIC 3-ISOPROPYLMALATE DEHYDROGENASE

被引:0
|
作者
ONODERA, K [1 ]
MORIYAMA, H [1 ]
TAKENAKA, A [1 ]
TANAKA, N [1 ]
AKUTSU, N [1 ]
MURO, M [1 ]
OSHIMA, T [1 ]
IMADA, K [1 ]
SATO, M [1 ]
KATSUBE, Y [1 ]
机构
[1] OSAKA UNIV,INST PROT RES,SUITA,OSAKA 565,JAPAN
来源
JOURNAL OF BIOCHEMISTRY | 1991年 / 109卷 / 01期
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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 chimeric gene was constructed by fusing the Bacillus subtilis and Thermus thermophilus genes coding for 3-isopropylmalate dehydrogenase, and expressed in Escherichia coli. The chimeric enzyme was crystallized in a size suitable for X-ray structure analysis. The crystal has a space group of P3(1)21 or P3(2)21, a = b = 77.1-angstrom and c = 158.3-angstrom, which is isomorphous with that of the native enzyme from T. thermophilus.
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页码:1 / 2
页数:2
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