Purification and Characterization of a Recombinant Caulobacter crescentus Epoxide Hydrolase

  • Hwang, Seung-Ha (Department of Chemical Engineering, Pohang University of Science and Technology) ;
  • Hyun, Hye-Jin (Interdisciplinary Program for Biochemical Engineering and Biotechnology, College of Engineering, Seoul National University) ;
  • Lee, Byoung-Ju (Interdisciplinary Program for Biochemical Engineering and Biotechnology, College of Engineering, Seoul National University) ;
  • Park, Young-Seub (Department of Chemical Engineering, Pohang University of Science and Technology) ;
  • Lee, Eun-Yeol (Department of Food Science and Technology, Kyungsung University) ;
  • Choi, Cha-Yong (Interdisciplinary Program for Biochemical Engineering and Biotechnology, College of Engineering, Seoul National University)
  • 발행 : 2006.08.30

초록

A Caulobacter crescentus epoxide hydrolase(CCEH) from a recombinant Escherichia coli was purified to homogeneity using a three-step procedure. The CCEH protein was purified 7.3-fold with a 22.9% yield in overalll activity. The optimal reaction temperature and pH were determined to be $37^{\circ}C$ and pH 8.0, respectively. The addition of 10%(v/v) dimethylsulfoxide as a cosolvent improved the enantioselectivity of CCEH for a batch kinetic resolution of racemic indene oxide.

키워드

참고문헌

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