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  • 标题:Interrogating dense ligand chemical space with a forward-synthetic library
  • 本地全文:下载
  • 作者:Florent Chevillard ; Florent Chevillard ; Silvia Stotani
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:2019
  • 卷号:116
  • 期号:23
  • 页码:11496-11501
  • DOI:10.1073/pnas.1818718116
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:Forward-synthetic databases are an efficient way to enumerate chemical space. We explored here whether these databases are good sources of novel protein ligands and how many molecules are obtainable and in which time frame. Based on docking calculations, series of molecules were selected to gain insights into the ligand structure–activity relationship. To evaluate the novelty of compounds in a challenging way, we chose the β2-adrenergic receptor, for which a large number of ligands is already known. Finding dissimilar ligands is thus the exception rather than the rule. Here we report on the results, the successful synthesis of 127/240 molecules in just 2 weeks, the discovery of previously unreported dissimilar ligands of the β2-adrenergic receptor, and the optimization of one series to a K D of 519 nM in only one round. Moreover, the finding that only 3 of 240 molecules had ever been synthesized before indicates that large parts of chemical space are unexplored.
  • 关键词:de novo design ; parallel synthesis ; highly designed libraries ; docking ; forward synthetic libraries
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