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    • 1. 发明申请
    • NOVEL MONOOXYGENASE VARIANTS
    • 新的MONOOXYGENASE变体
    • WO2012028709A3
    • 2012-04-26
    • PCT/EP2011065179
    • 2011-09-02
    • BRAIN BIOTECHNOLOGY RES & INFORMATION NETWORK AGSCHWANEBERG ULRICHBLANUSA MILANNIEHAUS FRANKECK JUERGEN
    • SCHWANEBERG ULRICHBLANUSA MILANNIEHAUS FRANKECK JUERGEN
    • C12N9/02
    • C12Y106/02004C12N9/0042
    • The present invention relates to a nucleic acid molecule encoding a polypeptide having cytochrome P450 monooxygenase activity, wherein said polypeptide comprises a reductase domain that deviates by at least one mutation from (a) the reductase domain of cytochrome P450 BM3, wherein the reductase domain of cytochrome P450 BM3 is represented by SEQ ID NO: 1; or (b) a reductase domain having at least 95% sequence identity to SEQ ID NO:1; and wherein said mutation(s) result(s) in an increased cytochrome P450 monooxygenase activity as compared to a polypeptide comprising the reductase domain of SEQ ID NO: 1. The present invention also relates to a vector comprising the nucleic acid molecule of the invention and a host transformed with the vector. Furthermore, the invention relates to a method of producing a polypeptide comprising culturing the host of the invention as well as to a polypeptide encoded by the nucleic acid molecule of the invention or produced by the method of the invention. The present invention further relates to the use of the polypeptide of the invention in biotransformation or fine chemical synthesis, to an oligo- or polynucleotide which specifically hybridizes to the nucleic acid molecule of the invention as well as to a composition and to a kit.
    • 本发明涉及编码具有细胞色素P450单加氧酶活性的多肽的核酸分子,其中所述多肽包含与(a)细胞色素P450 BM3的还原酶结构域至少一个突变偏差的还原酶结构域,其中细胞色素的还原酶结构域 P450 BM3由SEQ ID NO:1表示; 或(b)与SEQ ID NO:1具有至少95%序列同一性的还原酶结构域; 并且其中与包含SEQ ID NO:1的还原酶结构域的多肽相比,所述突变导致细胞色素P450单加氧酶活性增加。本发明还涉及包含本发明的核酸分子的载体 和用载体转化的宿主。 此外,本发明涉及生产多肽的方法,其包括培养本发明的宿主以及由本发明的核酸分子编码的多肽或通过本发明的方法产生的多肽。 本发明进一步涉及本发明的多肽在生物转化或精细化学合成中的用途,涉及与本发明的核酸分子以及组合物和试剂盒特异性杂交的寡核苷酸或多核苷酸。