VERFAHREN ZUR BIOKATALYTISCHEN GANZZELLREDUKTION VON DEHYDROCHOLSÄUREVERBINDUNGEN, UND 7-BETA-HYDROXYSTEROID-DEHYDROGENASE-MUTANTEN
    20.
    发明公开
    VERFAHREN ZUR BIOKATALYTISCHEN GANZZELLREDUKTION VON DEHYDROCHOLSÄUREVERBINDUNGEN, UND 7-BETA-HYDROXYSTEROID-DEHYDROGENASE-MUTANTEN 有权
    VERFAHREN ZUR BIOKATALYTISCHEN GANZZELLREDUKTION VONDEHYDROCHOLSÄERVERBINDUNGEN,UND 7-β-HYDROXYSTEROID-DEHYDROGENASE-MUTANTEN

    公开(公告)号:EP3161144A2

    公开(公告)日:2017-05-03

    申请号:EP15731902.1

    申请日:2015-06-24

    申请人: PharmaZell GmbH

    IPC分类号: C12P33/00 C12N9/04

    摘要: The invention relates to novel biocatalytic processes, comprising the whole cell reduction of dehydrocholic acid (DHCS) compounds, novel 7ß-hydroxysteroid dehydrogenase mutants, to the sequences encoding said enzyme mutants, to methods for producing the enzyme mutants and to the use thereof in enzymatic conversion of cholic acid compounds, and especially in the production of ursodeoxycholic acid (UDCS); The invention also relates to novel methods for the synthesis of UDCS using the enzyme mutants; and in particular to a further improved method for producing UDCS using recombined whole-cell biocatalysts.

    摘要翻译: 本发明涉及新型生物催化方法,包括将脱氢胆酸(DHCS)化合物,新型7β-羟基类固醇脱氢酶突变体全细胞还原为编码所述酶突变体的序列,涉及生产酶突变体的方法及其在酶促 胆酸化合物的转化,尤其是在熊去氧胆酸(UDCS)的生产中; 本发明还涉及使用酶突变体合成UDCS的新方法; 并且具体涉及使用重组全细胞生物催化剂生产UDCS的进一步改进的方法。