Directed evolution constitutes an ideal method for engineering essentially any catalytic parameter of enzymes for application in synthetic organic chemistry and biotechnology, including thermostability, substrate scope and enantioselectivity. Stereoselectivity is especially important when applying biocatalysts to synthetic organic chemistry. This article focuses on recent methodology developments in laboratory evolution of stereoselective enzymes, hydrolases and monooxygenases serving as the enzymes. Iterative saturation mutagenesis (ISM) has been developed as an unusually effective method to evolve enhanced or reversed enantioselectivity, broader substrate scope and/or higher thermostability of enzymes. (C) 2011 Published by Elsevier Masson SAS on behalf of Academie des sciences.
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CALTECH, Div Chem & Chem Engn, 210-41,1200 E Calif Blvd, Pasadena, CA 91125 USACALTECH, Div Chem & Chem Engn, 210-41,1200 E Calif Blvd, Pasadena, CA 91125 USA
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Stockholm Univ, Dept Organ Chem, Arrhenius Lab, SE-10691 Stockholm, SwedenStockholm Univ, Dept Organ Chem, Arrhenius Lab, SE-10691 Stockholm, Sweden
Gudmundsson, Arnar
Baeckvall, Jan-E.
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Stockholm Univ, Dept Organ Chem, Arrhenius Lab, SE-10691 Stockholm, Sweden
Mid Sweden Univ, Dept Nat Sci, Holmgatan 10, Sundsvall 85179, SwedenStockholm Univ, Dept Organ Chem, Arrhenius Lab, SE-10691 Stockholm, Sweden
机构:
GlaxoSmithKline Res & Dev Ltd, Med Res Ctr, Stevenage, Herts, EnglandGlaxoSmithKline Res & Dev Ltd, Med Res Ctr, Stevenage, Herts, England
Roiban, Gheorghe-Doru
Reetz, Manfred T.
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Univ Marburg, Dept Chem, D-35032 Marburg, Germany
Max Planck Inst Kohlenforsch, D-45470 Mulheim, GermanyGlaxoSmithKline Res & Dev Ltd, Med Res Ctr, Stevenage, Herts, England