Shuffling of heterologous DNA sequences
    1.
    发明授权
    Shuffling of heterologous DNA sequences 失效
    改组异源DNA序列

    公开(公告)号:US06291165B1

    公开(公告)日:2001-09-18

    申请号:US09040025

    申请日:1998-03-17

    IPC分类号: C12Q168

    CPC分类号: C12N15/1027

    摘要: The present invention relates to a new method of shuffling especially heterologous polynucleotide sequences, screening and/or selection of new recombinant proteins resulting therefrom having a desired biological activity, and especially to production and identification of novel proteases exhibiting desired properties.

    摘要翻译: 本发明涉及一种混合洗涤方法,特别是异源多核苷酸序列,筛选和/或选择由此产生的新的重组蛋白质具有所需的生物学活性,特别是涉及产生和鉴定出具有所需性质的新型蛋白酶。

    Methods of producing polynucleotide variants
    3.
    发明授权
    Methods of producing polynucleotide variants 失效
    产生多核苷酸变体的方法

    公开(公告)号:US06368805B1

    公开(公告)日:2002-04-09

    申请号:US09644953

    申请日:2000-08-23

    IPC分类号: C12Q168

    摘要: A method for the construction of a library of recombined polynucleotides from a number of different starting single or double stranded parental DNA templates is disclosed, wherein the starting single or double stranded parental DNA templates represent discrete points in a population of genes encoding evolutionary or synthetic homologues of a peptide having homologies ranging over a broad spectrum from less than 15% to more than 80%, said population exhibiting at least one identification sequence, and whereby said genes are subjected to a gene shuffling procedure to generate shuffled mutants of said population of genes representing additional discrete points between those of said starting templates.

    摘要翻译: 公开了从许多不同的起始单链或双链亲本DNA模板构建重组多核苷酸文库的方法,其中起始单链或双链亲本DNA模板代表编码进化或合成同源物的基因群体中的离散点 具有在小于15%至大于80%的广谱范围内的同源性的肽,所述群体显示至少一种鉴定序列,并且其中所述基因经历基因改组程序以产生所述基因群体的混洗突变体 代表所述起始模板之间的额外离散点。

    Alpha-amylase mutants
    5.
    发明授权
    Alpha-amylase mutants 失效
    α-淀粉酶突变体

    公开(公告)号:US08323946B2

    公开(公告)日:2012-12-04

    申请号:US13161931

    申请日:2011-06-16

    CPC分类号: C11D3/386 C12N9/2417

    摘要: The present invention relates to a method of constructing a variant of a parent Termamyl-like alpha-amylase, which variant has alpha-amylase activity and at least one altered property as compared to the parent alpha-amylase, comprises i) analyzing the structure of the parent Termamyl-like alpha-amylase to identify at least one amino acid residue or at least one structural part of the Termamyl-like alpha-amylase structure, which amino acid residue or structural part is believed to be of relevance for altering the property of the parent Termamyl-like alpha-amylase (as evaluated on the basis of structural or functional considerations), ii) constructing a Termamyl-like alpha-amylase variant, which as compared to the parent Termamyl-like alpha-amylase, has been modified in the amino acid residue or structural part identified in i) so as to alter the property, and, optionally, iii) testing the resulting Termamyl-like alpha-amylase variant with respect to the property in question.

    摘要翻译: 本发明涉及一种构建母体类戊酰样α-淀粉酶的变体的方法,该变体具有与母体α-淀粉酶相比具有α-淀粉酶活性和至少一种改变的性质,包括:i)分析 鉴定至少一个氨基酸残基或类甲酰样α-淀粉酶结构的至少一个结构部分,所述氨基酸残基或结构部分被认为与改变其性质有关的相关性 母体类戊酰样α-淀粉酶(根据结构或功能考虑进行评估),ii)构建与母体类戊酰样α-淀粉酶相比的类戊酰样α-淀粉酶变体,已经在 在i)中鉴定的氨基酸残基或结构部分,以改变其性质,以及任选地,iii)相对于所讨论的性质测试所得的类戊酰样α-淀粉酶变体。

    Alpha-amylase mutants
    6.
    发明授权
    Alpha-amylase mutants 有权
    α-淀粉酶突变体

    公开(公告)号:US08263368B2

    公开(公告)日:2012-09-11

    申请号:US12493860

    申请日:2009-06-29

    IPC分类号: C12N9/28 C12S11/00 C12P19/14

    摘要: The invention relates to a novel Termamyl-like alpha-amylase, and Termamyl-like alpha-amylases comprising mutations in two, three, four, five or six regions/positions. The variants have increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent). The invention also relates to a DNA construct comprising a DNA sequence encoding an alpha-amylase variant of the invention, a recombinant expression vector which carries a DNA construct of the invention, a cell which is transformed with a DNA construct of the invention, the use of an alpha-amylase variant of the invention for washing and/or dishwashing, textile desizing, starch liquefaction, a detergent additive comprising an alpha-amylase variant of the invention, a manual or automatic dishwashing detergent composition comprising an alpha-amylase variant of the invention, a method for generating a variant of a parent Termamyl-like alpha-amylase, which variant exhibits increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent).

    摘要翻译: 本发明涉及一种新的类戊酰样α-淀粉酶和包含2,3,4,5或6个或6个位置突变的类戊酰样α-淀粉酶。 这些变体在酸性pH和/或低Ca 2+浓度(相对于亲本)下具有增加的热稳定性。 本发明还涉及包含编码本发明的α-淀粉酶变体的DNA序列的DNA构建体,携带本发明的DNA构建体的重组表达载体,用本发明的DNA构建体转化的细胞,使用 本发明的α-淀粉酶变体用于洗涤和/或餐具洗涤,纺织品退浆,淀粉液化,包含本发明的α-淀粉酶变体的洗涤剂添加剂,手动或自动洗碗洗涤剂组合物,其包含α-淀粉酶变体 本发明提供一种产生母体类戊酰样α-淀粉酶的变体的方法,该变体在酸性pH和/或低Ca 2+浓度(相对于亲本)中表现出增加的热稳定性。

    Alpha-amylase mutants
    9.
    发明授权
    Alpha-amylase mutants 有权
    α-淀粉酶突变体

    公开(公告)号:US08263382B2

    公开(公告)日:2012-09-11

    申请号:US13100407

    申请日:2011-05-04

    IPC分类号: C12N9/24

    摘要: The invention relates to a variant of a parent Termamyl-like alpha-amylase, which variant has alpha-amylase activity and exhibits an alteration in at least one of the following properties relative to the parent alpha-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母体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 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。

    Alpha-amylase mutants
    10.
    发明授权
    Alpha-amylase mutants 有权
    α-淀粉酶突变体

    公开(公告)号:US07566561B2

    公开(公告)日:2009-07-28

    申请号:US10327837

    申请日:2002-12-23

    IPC分类号: C12N9/28 C12N15/56

    摘要: The invention relates to a novel Termamyl-like alpha-amylase, and Termamyl-like alpha-amylases comprising mutations in two, three, four, five or six regions/positions. The variants have increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent). The invention also relates to a DNA construct comprising a DNA sequence encoding an alpha-amylase variant of the invention, a recombinant expression vector which carries a DNA construct of the invention, a cell which is transformed with a DNA construct of the invention, the use of an alpha-amylase variant of the invention for washing and/or dishwashing, textile desizing, starch liquefaction, a detergent additive comprising an alpha-amylase variant of the invention, a manual or automatic dishwashing detergent composition comprising an alpha-amylase variant of the invention, a method for generating a variant of a parent Termamyl-like alpha-amylase, which variant exhibits increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent).

    摘要翻译: 本发明涉及一种新的类戊酰样α-淀粉酶和包含2,3,4,5或6个或6个位置突变的类戊酰样α-淀粉酶。 这些变体在酸性pH和/或低Ca 2+浓度(相对于亲本)下具有增加的热稳定性。 本发明还涉及包含编码本发明的α-淀粉酶变体的DNA序列的DNA构建体,携带本发明的DNA构建体的重组表达载体,用本发明的DNA构建体转化的细胞,使用 本发明的α-淀粉酶变体用于洗涤和/或餐具洗涤,纺织品退浆,淀粉液化,包含本发明的α-淀粉酶变体的洗涤剂添加剂,手动或自动洗碗洗涤剂组合物,其包含α-淀粉酶变体 本发明提供一种产生母体类戊酰样α-淀粉酶的变体的方法,该变体在酸性pH和/或低Ca 2+浓度(相对于亲本)中表现出增加的热稳定性。