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Kinetic Resolution of ${alpha}$-methylbenzylamine by Recombinant Pichia pastoris Expressing ${omega}$-transaminase
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  • Kinetic Resolution of ${alpha}$-methylbenzylamine by Recombinant Pichia pastoris Expressing ${omega}$-transaminase
  • Kinetic Resolution of ${alpha}$-methylbenzylamine by Recombinant Pichia pastoris Expressing ${omega}$-transaminase
저자명
Bea. Han-Seop,Seo. Young-Man,Cha. Min-Ho,Kim. Byung-Gee,Yun. Hyung-Don
간행물명
Biotechnology and bioprocess engineering
권/호정보
2010년|15권 3호|pp.429-434 (6 pages)
발행정보
한국생물공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Recombinant Pichia pastoris expressing ${omega}$-transaminase (TA) was used as a whole-cell biocatalyst to kinetically resolve ${alpha}$-methylbenzylamine (MBA). To overcome product inhibition of ${omega}$-TA by acetophenone (deaminated product of ${alpha}$-MBA), the reaction condition of endogenous oxidoreductases, which can catalyze the reduction of acetophenone into non-inhibitory 1-phenyl-ethanol, was optimized. When the whole-cell reaction was carried out using recombintat P. pastoris in 100 mM Tris/HCl buffer (pH 9.0) containing 2.5% glucose and 1% methanol, 100 mM ${alpha}$-MBA was successfully resolved to (R)-${alpha}$-MBA (> 99% ee) at a conversion of 52.2%.