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    • 4. 发明申请
    • Methods and Compositions for Identifying a Peptide Having an Intermolecular Interaction With a Target of Interest
    • 用于识别与感兴趣的目标具有分子间相互作用的肽的方法和组合物
    • US20090305898A1
    • 2009-12-10
    • US11989203
    • 2006-07-12
    • Ilan MoradHanan Itzhaki
    • Ilan MoradHanan Itzhaki
    • C40B20/00C40B40/10C40B40/06C40B40/02C12N7/00C12N15/63C12N1/00C12N9/48
    • C12N15/1037C07K2319/50C07K2319/70C12N15/1058C40B10/00C40B40/02G01N33/5023G01N33/56983G01N2333/95
    • This invention provides, in one embodiment, a recombinant virus or a recombinant virus library wherein each virus comprises a protein involved in viral attachment or infection, a polypeptide which differs by at least a single amino acid from another peptide or polypeptide in the library, and a modified cleavage site that is proximal to the peptide and the protein, wherein the cleavage site is modified such that a compound mediating cleavage has a reduced binding affinity for it as compared to a non-modified cleavage site. The invention further provides a target of interest complex comprising a protease, a target of interest involved in an intermolecular interaction, and a flexible linker that attaches the protease and target of interest. The invention further provides uses thereof, including a method for identifying a peptide which has an intermolecular interaction with a target of interest or identifying the agonistic or antagonistic feature of a peptide that has an intermolecular reaction with a target of interest.
    • 本发明在一个实施方案中提供了重组病毒或重组病毒文库,其中每个病毒包含参与病毒附着或感染的蛋白质,多肽与文库中的另一个肽或多肽至少单个氨基酸不同,以及 与肽和蛋白质接近的修饰的切割位点,其中修饰切割位点使得介导切割的化合物与未修饰的切割位点相比具有降低的结合亲和力。 本发明进一步提供了包含蛋白酶,涉及分子间相互作用的目标靶标的蛋白酶,以及附着蛋白酶和感兴趣靶标的柔性连接物的目标复合物。 本发明进一步提供其用途,包括鉴定与感兴趣的靶标具有分子间相互作用的肽或识别与感兴趣的靶标具有分子间反应的肽的激动或拮抗特征的方法。