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Discovery of Key Physicochemical, Structural, and Spatial Properties of RNA-Targeted Bioactive Ligands

机译:发现RNA靶向生物活性配体的关键物理化学,结构和空间性质

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While a myriad non-coding RNAs are known to be essential in cellular processes and misregulated in diseases, the development of RNA-targeted small molecule probes has met with limited success. To elucidate the guiding principles for selective small molecule/RNA recognition, we analyzed cheminformatic and shape-based descriptors for 104 RNA-targeted ligands with demonstrated biological activity (RNA-targeted BIoactive ligaNd Database, R-BIND). We then compared R-BIND to both FDA-approved small molecule drugs and RNA ligands without reported bioactivity. Several striking trends emerged for bioactive RNA ligands, including: 1) Compliance to medicinal chemistry rules, 2) distinctive structural features, and 3) enrichment in rod-like shapes over others. This work provides unique insights that directly facilitate the selection and synthesis of RNA-targeted libraries with the goal of efficiently identifying selective small molecule ligands for therapeutically relevant RNAs.
机译:虽然已知一种无数的非编码RNA在细胞过程中是必不可少的,但在疾病中误解,RNA靶向小分子探针的发展已经满足了有限的成功。 为了阐明选择性小分子/ RNA识别的引导原理,我们分析了具有所示生物活性的104个RNA靶向配体的化学信息和基于形状的描述符(RNA靶向生物活性配体数据库,R粘合)。 然后,我们将R-Bend与FDA批准的小分子药物和RNA配体进行比较,而无需报告生物活性。 有几种引人注目的趋势,旨在为生物活性RNA配体,包括:1)遵守药物化学规则,2)鲜明的结构特征,3)粗糙的结构特征,以及杆状形状的富集。 这项工作提供了独特的见解,直接促进RNA靶向文库的选择和合成,其目的是有效地识别用于治疗相关的RNA的选择性小分子配体。

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