BIOSYNTHETIC PRODUCTION OF CAFFEINE
    1.
    发明申请
    BIOSYNTHETIC PRODUCTION OF CAFFEINE 审中-公开
    CAFFEINE的生产生产

    公开(公告)号:WO2016085929A1

    公开(公告)日:2016-06-02

    申请号:PCT/US2015/062324

    申请日:2015-11-24

    Abstract: The present invention provides an enzymatic means for the biosynthetic production of caffeine. The present invention provides biosynthetic methods for production of caffeine comprising: providing guanine, a guanine deaminase, at least one methyl transferase, and a methyl donor; contacting the guanine with the gtheuanine deaminase to produce xanthine; contacting the xanthine with the methyl transferase and a methyl donor, under conditions wherein the xanthine is methylated, to produce a monomethylxanthine; contacting the monomethylxanthine with the methyl transferase and a methyl donor, under conditions wherein the monomethylxanthine is methylated, to produce a dimethylxanthine; and contacting the dimethylxanthine with the methyl transferase and a methyl donor, under conditions wherein the dimethylxanthine is methylated, to produce caffeine (i.e., 1,3,7- trimethylxanthine).

    Abstract translation: 本发明提供了用于生物合成咖啡因的酶法。 本发明提供生产咖啡因的生物合成方法,其包括:提供鸟嘌呤,鸟嘌呤脱氨酶,至少一种甲基转移酶和甲基供体; 使鸟嘌呤与肉毒梭菌脱氨酶接触以产生黄嘌呤; 在黄嘌呤被甲基化的条件下,将黄嘌呤与甲基转移酶和甲基供体接触以产生单甲基黄嘌呤; 在单甲基黄嘌呤被甲基化的条件下,将甲基黄嘌呤与甲基转移酶和甲基供体接触以产生二甲基黄嘌呤; 并在二甲基黄嘌呤被甲基化的条件下使二甲基黄嘌呤与甲基转移酶和甲基供体接触,生成咖啡因(即1,3,7-三甲基黄嘌呤)。

    ENGINEERED GLYCOSYLTRANSFERASES AND STEVIOL GLYCOSIDE GLUCOSYLATION METHODS

    公开(公告)号:WO2018144679A2

    公开(公告)日:2018-08-09

    申请号:PCT/US2018/016359

    申请日:2018-02-01

    Applicant: CODEXIS, INC.

    Abstract: The present invention provides engineered glycosyltransferase (GT) enzymes, polypeptides having GT activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. The present invention provides engineered sucrose synthase (SuS) enzymes, polypeptides having SuS activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. The present invention also provides compositions comprising the GT enzymes and methods of using the engineered GT enzymes to make products with β-glucose linkages. The present invention further provides compositions and methods for the production of rebaudiosides (e.g., rebaudioside M, rebaudioside A, rebaudioside I, and rebaudioside D). The present invention also provides compositions comprising the SuS enzymes and methods of using them. Methods for producing GT and SuS enzymes are also provided.

    ENGINEERED GLYCOSYLTRANSFERASES AND STEVIOL GLYCOSIDE GLUCOSYLATION METHODS

    公开(公告)号:WO2018144675A1

    公开(公告)日:2018-08-09

    申请号:PCT/US2018/016352

    申请日:2018-02-01

    Applicant: CODEXIS, INC.

    Abstract: The present invention provides engineered glycosyltransferase (GT) enzymes, polypeptides having GT activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. The present invention provides engineered sucrose synthase (SuS) enzymes, polypeptides having SuS activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. The present invention also provides compositions comprising the GT enzymes and methods of using the engineered GT enzymes to make products with β-glucose linkages. The present invention also provides compositions comprising the SuS enzymes and methods of using them. Methods for producing GT and SuS enzymes are also provided.

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