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    • 2. 发明申请
    • LIBRARIES OF MODIFIED PEPTIDES WITH PROTEASE RESISTANCE
    • 具有耐药性的改性肽的图书馆
    • WO1991019735A1
    • 1991-12-26
    • PCT/US1991004282
    • 1991-06-14
    • BARTLETT, Paul, A.SANTI, Daniel, V.SIMON, Reyna, J.
    • C07K07/02
    • C07K14/001A61K38/00A61K47/62C07K1/047C07K5/0207C07K7/02
    • Peptoids are provided which are polymers comprised of monomer units wherein the monomer units include at least some substitute amino acids and may include conventional amino acids. The peptoids can be synthesized in large numbers so as to provide libraries of peptoids which can be screened in order to isolate peptoids of desired biological activity. Certain peptoids are designed to mimic as closely as possible the activity of known proteins. Other peptoids are designed so as to have greater or lesser activity than known proteins and may be designed so as to block known receptor sites and/or elicit a desired immunogenic response and thereby act as vaccines. A range of different amino acid substitutes are disclosed, as are their methods of synthesis and methods of using such amino acid substitutes in the synthesis of peptoids and peptoid libraries. Methods of screening the libraries in order to obtain desired peptoids of a particular biological activity are also disclosed. The peptoids are preferably linked to a pharmaceutically active drug forming a conjugate with increased binding affinity to a particular biological receptor site.
    • 提供了由单体单元组成的聚合物,其中单体单元包括至少一些替代氨基酸并且可以包括常规氨基酸。 可以大量合成拟肽,以便提供可以筛选的拟肽文库,以分离所需生物活性的拟肽。 某些拟肽被设计为尽可能模拟已知蛋白质的活性。 其他拟肽被设计为具有比已知蛋白质更大或更小的活性,并且可以被设计成阻断已知的受体位点和/或引发所需的免疫原性应答并由此作为疫苗。 公开了一系列不同的氨基酸替代物,以及它们的合成方法以及在合成拟肽和拟肽文库中使用这种氨基酸替代物的方法。 还公开了为了获得特定生物活性所需的拟肽而筛选文库的方法。 拟肽优选与形成具有对特定生物受体位点的增加的结合亲和力的缀合物的药学活性药物连接。