&agr;-amylase mutants
    53.
    发明授权
    &agr;-amylase mutants 有权
    α-淀粉酶突变体

    公开(公告)号:US06642044B2

    公开(公告)日:2003-11-04

    申请号:US10186042

    申请日:2002-06-28

    IPC分类号: C12N120

    摘要: The invention relates to a variant of a parent Termamyl-like a-amylase, which variant has a-amylase activity and exhibits an alteration in at least one of the following properties relative to said parent a-amylase: substrate specificity, substrate binding, substrate cleavage pattern, thermal stability, pH/activity profile, pH/stability profile, stability towards oxidation, Ca2+ dependency and specific activity.

    摘要翻译: 本发明涉及母体类戊酰样α-淀粉酶的变体,该变体具有α-淀粉酶活性,并且相对于所述亲本α-淀粉酶表现出至少一种以下特性的改变:底物特异性,底物结合,底物 裂解模式,热稳定性,pH /活性分布,pH /稳定性分布,对氧化的稳定性,Ca 2+依赖性和比活性。

    &agr;-amylase mutants
    56.
    发明授权
    &agr;-amylase mutants 有权
    α-淀粉酶突变体

    公开(公告)号:US06436888B1

    公开(公告)日:2002-08-20

    申请号:US09672459

    申请日:2000-09-28

    IPC分类号: C12N928

    摘要: The invention relates to a variant of a parent Termamyl-like a-amylase, which variant has a-amylase activity and exhibits an alteration in at least one of the following properties relative to parent a-amylase: substrate specificity, substrate binding, substrate cleavage pattern, thermal stability, pH/activity profile, pH/stability profile, stability towards oxidation, Ca2+ dependency and specific activity.

    摘要翻译: 本发明涉及母体类戊酰样α-淀粉酶的变体,该变体具有α-淀粉酶活性并且相对于亲本α-淀粉酶在下列特性中表现出至少一个变化:底物特异性,底物结合,底物切割 图案,热稳定性,pH /活性曲线,pH /稳定性分布,对氧化的稳定性,Ca 2+依赖性和比活性。

    Method of producing saccharide preparations
    57.
    发明授权
    Method of producing saccharide preparations 失效
    生产糖制剂的方法

    公开(公告)号:US06303346B1

    公开(公告)日:2001-10-16

    申请号:US09632392

    申请日:2000-08-04

    IPC分类号: C12P1914

    摘要: The present invention relates to a method for the production of saccharide preparations, i.e., syrups, by saccharifying a liquefied starch solution, which method comprises a saccharification step during which step one or more enzymatic saccharification stages takes place, and the subsequent steps of one or more high temperature membrane separation steps, and re-circulation of the saccharification enzyme, in which method the membrane separation steps are carried out as an integral part of the saccharification step. In another specific aspect, the invention provides a method of producing a saccharide preparation, which method comprises an enzymatic saccharification step, and the subsequent steps of one or more high temperature membrane separation steps and re-circulation of the saccharification enzyme.

    摘要翻译: 本发明涉及通过糖化液化淀粉溶液来生产糖制剂(即糖浆)的方法,该方法包括糖化步骤,在步骤中进行一个或多个酶促糖化阶段,随后的步骤包括一个或多个 更高温的膜分离步骤和糖化酶的再循环,其中膜分离步骤作为糖化步骤的组成部分进行。 在另一个具体方面,本发明提供了一种制备糖制剂的方法,该方法包括酶糖化步骤,以及随后的一个或多个高温膜分离步骤和糖化酶再循环的步骤。

    Haloperoxidases with altered pH profiles
    58.
    发明授权
    Haloperoxidases with altered pH profiles 有权
    具有改变的pH曲线的过氧化氢酶

    公开(公告)号:US06221821B1

    公开(公告)日:2001-04-24

    申请号:US09271778

    申请日:1999-03-18

    IPC分类号: C12N908

    摘要: Variants of a parent vanadium-containing haloperoxidase, which variant has haloperoxidase activity and an altered pH optimum and comprises a mutation in a position corresponding to at least one of the following positions: R490A, L, I, Q, M, E, D; A399G; F397N, Y, E, Q; P395A, S; R360A, L, I, Q, M, E, D; K353Q, M; S402A, T, V, S; D292L; A501S; W350F, Y; V495A, T, V, S; K394 A, L, I, Q, M, E, D; wherein the parent haloperoxidase has the amino acid sequence given in SEQ ID No. 1, or the parent haloperoxidase has an amino acid sequence which is at least 80% homologous to SEQ ID No. 1.

    摘要翻译: 母体含钒卤代过氧化物酶的变体,其变体具有卤代过氧化物酶活性和改变的pH最佳值,并且在与以下至少一个位置相对应的位置包含突变:R490A,L,I,Q,M,E,D; A399G; F397N,Y,E,Q; P395A,S; R360A,L,I,Q,M,E,D; K353Q,M; S402A,T,V,S; D292L; A501S; W350F,Y; V495A,T,V,S; K394 A,L,I,Q,M,E,D; 其中母体卤代过氧化物酶具有SEQ ID No.1所示的氨基酸序列,或者母体过氧化氢酶具有与SEQ ID No.1至少80%同源的氨基酸序列。

    Laccase mutants
    59.
    发明授权
    Laccase mutants 有权
    漆酶突变体

    公开(公告)号:US06218170B1

    公开(公告)日:2001-04-17

    申请号:US09518901

    申请日:2000-03-06

    申请人: Allan Svendsen

    发明人: Allan Svendsen

    IPC分类号: C12N120

    摘要: The present invention relates to laccase mutants with increased oxidation potential and/or changed pH optimum and/or altered mediator pathway and/or altered O2/OH− pathway.

    摘要翻译: 本发明涉及具有增加的氧化电位和/或改变的pH最佳和/或改变的介体途径和/或改变的O 2 / OH途径的漆酶突变体。