期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 239, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2022.114558
关键词
Bioactive compounds; Chemical optimization; Analogue series; Structure-activity relationships; SAR transfer; Analogue design
Lead optimization involves the generation of analogue series with sustainable SAR progression. During multi-property optimization, if roadblocks occur, it is desirable to replace an analogue series with another one that has a different core structure but similar SAR characteristics for a given target. It is also found that SAR transfer events across different targets are more common than expected.
Lead optimization focuses on the generation of analogue series (ASs) with sustainable structure-activity relationship (SAR) progression. If roadblocks are encountered during multi-property optimization, it is often desirable to replace an AS with another containing a different core structure but having similar SAR characteristics for a given target. This process represents target-based SAR transfer. A previously unexplored question is to what extent AS-based SAR transfer events might also occur across different targets. To address this question, we have developed and applied a new computational approach to systematically search for ASs with SAR transfer potential and align qualifying series in a chemically intuitive way. The methodology relies on fragment similarity scoring in combination with dynamic programming. Our large-scale analysis has revealed that SAR transfer events across different targets are more frequently observed than one might expect, providing many opportunities for the design of new SAR transfer analogues for evolving series.
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