생명과학회지 (Journal of Life Science)

  • 제16권1호
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  • Pages.168-174
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  • 2006
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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분자공학 기반의 광학활성 에폭사이드 제조용 epoxide hydrolase 생촉매 개발

Molecular Engineering of Epoxide Hydrolases for Production of Enantiopure Epoxides

  • 김희숙 (경성대학교 공과대학 식품공학과) ;
  • 이은열 (해양극한생물 분자유전체 연구단)
  • Kim, Hee-Sook (Department of Food Science and Technology, Kyungsung University) ;
  • Lee, Eun-Yeol (Marine and Extreme Genome Research Center)
  • 발행 : 2006.02.01
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초록

광학활성 에폭사이드는 다양한 반응성으로 인하여 고부가가치 광학활성 의약품 및 농약 합성용 중간체로 널리 이용되고 있다. 광학활성 에폭사이드는 에폭사이드 가수분해효소 (epoxide hydrolase, EH)를 이용하여 저가의 라세믹 기질에 대한 입체선택적 가수분해 반응을 통해 제조할 수 있으며, EH는 유도과정 없이 발현되고 보조인자가 필요 없으며 비교적 효소 안정성도 높아 상업적으로 유용한 효소이다. EH에 대한 생화학 및 분자생물학 관련 최근 연구 결과를 바탕으로 촉매 활성 증대 및 기질 선택성을 변경시킨 tailer-made형 EH 생촉매 개발이 가능할 것이며, 실규모의 비대칭 광학분할 생물공정 시스템 개발을 통해 EH에 의한 동력학적 가수분해반응을 이용한 광학활성 에폭사이드 생산기술의 상업화가 가능할 것으로 기대된다.

Enantiopure epoxides are valuable intermediates for the asymmetric synthesis of enantiopure bioactive compounds. Microbial epoxide hydrolases (EHs) are versatile biocatalysts for the preparation of enantiopure epoxides by enantioselective hydrolysis of cheap and easily available racemic epoxide substrates. EHs are commercially potential biocatalysts due to their characteristics such as high enantioselectivity, cofactor-independent catalysis, and easy-to-prepare catalysts. In this paper, recent progresses In molecular engineering of EHs are reviewed to evaluate the commercial feasibility of EH-catalyzed hydrolytic kinetic resolution for the production of enantiopure epoxides.

키워드

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