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    • 5. 发明申请
    • CONFORMATIONALLY CONSTRAINED REVERSE-TURN LIBRARY AND METHODS RELATING THERETO
    • 一致的约束反转图书馆和与之相关的方法
    • WO1996022304A1
    • 1996-07-25
    • PCT/US1996000786
    • 1996-01-19
    • MOLECUMETICS, LTD.
    • MOLECUMETICS, LTD.KAHN, Michael
    • C07K01/04
    • C07K1/047C07K5/02C07K5/021
    • Libraries of conformationally constrained-reverse turn mimetics, and methods of constructing the same are disclosed. The reverse-turn mimetics include beta-turn, gamma-turn and beta-bulge mimetics which mimic the biologically active conformation of a linear peptide. In a preferred embodiment, a template library is constructed based on the amino acid sequence of the linear peptide, and which contains a plurality of beta-turn, gamma-turn and beta-bulge mimetics of varying ring sizes. The template library is then screened in a suitable assay to identify a biologically active template library member. An optimized library is then constructed based on structure of the biologically active template member, and which includes substitutions to the amino acid sequence thereof. The optimized library is similarly screened to identify a biologically active reverse-turn mimetic. Methods relating to identifying library members which interact with biological targets of interest, and the use of such members as diagnostic, prophylactic and/or therapeutic agents are also disclosed.
    • 公开了构象约束反转模拟物的文库及其构建方法。 逆转模拟物包括模拟线性肽的生物活性构象的β-转角,γ-转角和β-凸起模拟物。 在优选的实施方案中,基于线性肽的氨基酸序列构建模板文库,并且其包含多个具有不同环尺寸的β-匝,γ-匝和β-隆起模拟物。 然后在合适的测定中筛选模板文库以鉴定生物活性的模板文库成员。 然后基于生物活性模板成员的结构构建优化的文库,其包括对其氨基酸序列的取代。 类似地筛选优化的文库以鉴定生物活性的逆转模拟物。 还公开了与识别与感兴趣的生物靶标相互作用的文库成员以及诊断,预防和/或治疗剂等成员的用途的方法。