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    • 10. 发明授权
    • Carbonyl reductase, gene thereof and use of the same
    • 羰基还原酶,其基因及其用途
    • US07332312B2
    • 2008-02-19
    • US10512908
    • 2003-04-30
    • Noriyuki KizakiMiho HorikawaYoshihiko Yasohara
    • Noriyuki KizakiMiho HorikawaYoshihiko Yasohara
    • C12N1/20C12N9/02C12N1/21C12N15/00C07H21/04C12P7/22
    • C12N9/0006C12Y101/01184
    • The present invention provides a novel polypeptide forming (R)-2-chloro-1-(3′-chlorophenyl)ethanol, a polynucleotide coding for said polypeptide, and use of the same.The present invention relates to a polypeptide having the following physical and chemical properties (1) to (4): (1) activity: acting on 2-chloro-1-(3′-chlorophenyl)ethanone with NADPH or NADH as a coenzyme, to form (R)-2-chloro-1-(31-chlorophenyl)ethanol; (2) optimum pH for activity: 5.0 to 6.0; (3) optimum temperature for activity: 40° C. to 50° C.; (4) molecular weight: about 40,000 as determined by gel filtration analysis, about 30,000 as determined by SDS polyacrylamide gel electrophoresis analysis. The present invention also relates to a polypeptide comprising the amino acid sequence shown under SEQ ID NO:1 in the sequence listing, a polynucleotide coding for said polypeptide, and a transformant producing said polypeptide at high levels.
    • 本发明提供形成(R)-2-氯-1-(3'-氯苯基)乙醇的新型多肽,编码所述多肽的多核苷酸及其用途。 本发明涉及具有以下物理和化学性质(1)至(4)的多肽:(1)活性:以NADPH或NADH作为辅酶作用于2-氯-1-(3'-氯苯基)乙酮, 形成(R)-2-氯-1-(31-氯苯基)乙醇; (2)活性最佳pH:5.0〜6.0; (3)最适温度为40℃〜50℃。 (4)分子量:约40,000,通过凝胶过滤分析测定,约30,000,通过SDS聚丙烯酰胺凝胶电泳分析测定。 本发明还涉及包含序列表中SEQ ID NO:1所示氨基酸序列的多肽,编码所述多肽的多核苷酸,以及以高水平产生所述多肽的转化体。