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    • 11. 发明专利
    • Look-through mutagenesis for developing altered polypeptides with enhanced properties
    • 用于开发具有增强性质的改性多糖的前瞻性突变
    • JP2012041347A
    • 2012-03-01
    • JP2011201518
    • 2011-09-15
    • Bioren Incバイオレン,インク.
    • CREA ROBERTO
    • C40B40/08C12N15/09
    • C12N15/102C07K16/00C07K16/18C07K2317/565C07K2317/622C07K2317/92C12N15/1093G01N33/6854G01N33/6857
    • PROBLEM TO BE SOLVED: To provide a method of mutagenesis by which a predetermined amino acid is introduced into each and every position of a selected set of positions in a preselected region (or several different regions) of a polypeptide to produce a library of polypeptide analogs.SOLUTION: The library of polynucleotides encodes polypeptide analogs comprising one or more functional amino acid residues within a defined region, wherein a predetermined amino acid residue is substituted at each functional amino acid position within the defined region, and the polynucleotides collectively represents all possible variants according to the following criteria: (i) each polynucleotide contains at each codon position in the defined region, either a codon required for the amino acid residue of the polypeptide or a codon for the predetermined amino acid residue; and (ii) each polynucleotide contains no more than one codon for the predetermined amino acid residue.
    • 待解决的问题:提供一种诱变方法,通过该方法将预定的氨基酸引入多肽的预选区域(或几个不同区域)中所选择的一组位置的每个位置以产生文库 的多肽类似物。 解决方案:多核苷酸文库编码在限定区域内包含一个或多个功能性氨基酸残基的多肽类似物,其中预定氨基酸残基在限定区域内的每个官能氨基酸位置被取代,多核苷酸共同代表所有 可能的变体根据以下标准:(i)每个多核苷酸在限定区域的每个密码子位置含有多肽的氨基酸残基所需的密码子或预定的氨基酸残基的密码子; 和(ii)每个多核苷酸含有不超过一个预定氨基酸残基的密码子。 版权所有(C)2012,JPO&INPIT
    • 20. 发明专利
    • Look-through mutagenesis
    • 看起来很痛苦的MUTAGENESIS
    • JP2011182794A
    • 2011-09-22
    • JP2011062697
    • 2011-03-22
    • Bioren Incバイオレン,インク.
    • CREA ROBERTO
    • C12Q1/68C07K16/00C07K16/12C07K16/18C07K16/24C07K16/44C12N15/09C12N15/10C40B30/00
    • C12N15/1093C07K16/00C07K16/005C07K16/1282C07K16/18C07K16/241C07K16/44C07K2317/55C07K2317/565C07K2317/622C12N15/102Y02P20/582
    • PROBLEM TO BE SOLVED: To provide a method of mutagenesis for generating a new or improved protein (or polypeptide) and a method for screening and selecting a library of polypeptide analogs and a predetermined polypeptide generated by the method of mutagenesis. SOLUTION: There is provided the method of mutagenesis by which a predetermined amino acid is introduced into each and every position of a selected set of positions in a preselected region (or several different regions) of the polypeptide to generate the library of the polypeptide analogs. The Library can be generated which contains only desired polypeptide analogs and is of reasonable size for screening. The library can be used to study the role of a specific amino acid in a polypeptide structure and function and to develop new or improved polypeptides such as antibodies, antibody fragments, single chain antibodies, enzymes, and ligands. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供用于产生新的或改良的蛋白质(或多肽)的诱变方法以及筛选和选择多肽类似物文库和通过诱变方法产生的预定多肽的方法。 提供了诱变方法,通过该方法将预定的氨基酸引入多肽的预选区域(或几个不同区域)中所选择的一组位置的每个位置,以产生该多肽的文库 多肽类似物。 可以生成仅包含所需多肽类似物并且筛选合理大小的文库。 该文库可用于研究特定氨基酸在多肽结构和功能中的作用,并开发新的或改良的多肽,如抗体,抗体片段,单链抗体,酶和配体。 版权所有(C)2011,JPO&INPIT