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    • 22. 发明授权
    • Knockout identification of target-specific sites in peptides
    • 敲除肽中靶特异性位点的鉴定
    • US07351690B2
    • 2008-04-01
    • US10769695
    • 2004-01-30
    • Shubh D. SharmaYi-Qun ShiMargarita BastosRamesh RajpurohitHui-Zhi Cai
    • Shubh D. SharmaYi-Qun ShiMargarita BastosRamesh RajpurohitHui-Zhi Cai
    • A61K38/16
    • C07K5/1008C07K1/047C07K5/1016C07K5/1024G01N33/6803
    • The invention provides methods for identification and determination of target-specific sites in peptides and proteins, including a method for determining the primary sequence of a secondary structure within a known parent polypeptide that binds to the target of interest. In one embodiment of the invention, a residue or mimetic containing a nitrogen atom and a sulfur atom available for binding to a metal ion is serially substituted for single residues in or inserted between adjacent residues in a known primary sequence of a peptide or protein. The resulting sequence is complexed with a metal ion thereby forming a metallopeptide. The resulting metallopeptides are then used in binding or functional assays related to the target of interest, and the metallopeptide(s) which result in significant or substantially decreased or changed binding or functionality are determined to identify the primary sequence involved in such binding or functionality.
    • 本发明提供用于鉴定和确定肽和蛋白质中靶特异性位点的方法,包括确定结合目的靶标的已知亲本多肽内的二级结构的一级序列的方法。 在本发明的一个实施方案中,含有可与金属离子结合的氮原子和硫原子的残基或模拟物连续取代肽或蛋白质的已知一级序列中相邻残基之间或插入其中的单个残基。 所得到的序列与金属离子络合,从而形成金属肽。 然后将所得金属肽用于与感兴趣靶标相关的结合或功能测定,并确定导致显着或显着降低或改变的结合或功能的金属肽,以鉴定涉及这种结合或功能的一级序列。