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    • 2. 发明申请
    • KAURENOIC ACID HYDROXYLASES
    • KAURENOIC ACID HYDROXYLESES
    • WO2017060318A3
    • 2017-06-08
    • PCT/EP2016073818
    • 2016-10-05
    • DSM IP ASSETS BV
    • VAN LEEUWEN JOHANNES GUSTAAF ERNSTZWARTJENS PRISCILLABOER VIKTOR MARIUS
    • C12N9/02
    • C12N9/0073C12Y114/13079
    • The present invention relates a variant polypeptide having kaurenoic acid 13-hydroxylase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a kaurenoic acid 13-hydroxylase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids 72, 85, 108, 127, 129, 141, 172, 195, 196, 197, 199, 226, 236, 291, 302, 361 or 464, said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having kaurenoic acid 13-hydroxylase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    • 本发明涉及具有kaurenoic酸13-羟化酶活性的变体多肽,所述变体多肽包含氨基酸序列,所述氨基酸序列在与包含SEQ ID NO:1中所示序列的海人酸13-羟化酶比对时包含至少一个 取代对应于任何氨基酸72,85,108,127,129,141,172,195,196,197,199,226,236,291,302,361或464的氨基酸残基,所述位置被定义为 参考SEQ ID NO:1,并且其中所述变体与具有kaurenoic acid 13-羟化酶活性的参考多肽相比具有一个或多个修饰的性质。 本发明的变体多肽可以在重组宿主中用于生产甜菊醇或甜菊醇糖苷。
    • 7. 发明申请
    • PROLINE-SPECIFIC ENDOPROTEASE AND USE THEREOF
    • 特异性内切酶及其用途
    • WO2015185592A3
    • 2016-02-11
    • PCT/EP2015062327
    • 2015-06-03
    • DSM IP ASSETS BV
    • LAAN VAN DER JAN METSKEVONDERVOORT VAN DE PETER JOZEF IDACHRISTIS CHANTALSPAANS MARTINEBRUINE-PAULUS DE ANGELA
    • C12N9/62
    • C12N9/62C12C11/00C12Y304/21026
    • The present invention relates to a polypeptide having proline-specific endoprotease activity, wherein the polypeptide has less than 70% residual activity when the polypeptide has been kept at a temperature of 65°C for 15 min. The invention further relates to a polypeptide having proline-specific endoprotease activity comprising an amino acid sequence according to SEQ ID NO: 1, wherein SEQ ID NO: 1 comprises at least one amino acid substitution selected from the group consisting of M144L, S398F, V460A, I204F, Y205N, F279S, F263Y, P377A, L470P, and P477A, a nucleic acid encoding a polypeptide having proline-specific endoprotease activity, a method of making a variant polypeptide having proline-specific endoprotease activity, a recombinant host cell and a method of producing the polypeptide and a process for the preparation of a food or feed product wherein the polypeptide is used.
    • 本发明涉及具有脯氨酸特异性内切蛋白酶活性的多肽,其中当多肽已经在65℃的温度下保持15分钟时,多肽具有小于70%的残留活性。 本发明还涉及具有脯氨酸特异性内切蛋白酶活性的多肽,其包含根据SEQ ID NO:1的氨基酸序列,其中SEQ ID NO:1包含至少一个选自M144L,S398F,V460A的氨基酸取代 ,I204F,Y205N,F279S,F263Y,P377A,L470P和P477A,编码具有脯氨酸特异性内切蛋白酶活性的多肽的核酸,制备具有脯氨酸特异性内切蛋白酶活性的变体多肽的方法,重组宿主细胞和方法 以及制备其中使用多肽的食品或饲料产品的方法。