High-Throughput Screening For The Discovery Of Enzyme Inhibitors

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Enzymes are common targets in high-throughput screening and related campaigns. An analysis of papers published between 1990 and 2018 showed that kinases were the most common enzymes investigated, fluorescence-based assays were the most common read-out method, and cancer and bacterial infections were the most common therapeutic areas. High-throughput screening and fragment-screening campaigns published between 2017 and 2019, were analyzed in more depth, giving 75 examples of hit to lead development. Kinases, phosphatases, proteases and peptidases were the most common targets, fluorescent assays were the most commonly used, and a wide variety of structural features were observed within the derived drugs. Hit frequency was largely independent of library size and positively correlated with Z’ value for the assay. Binding of metal ions to library compounds and substrates is an under-appreciated source of false-positive results and unreproducible behavior.
Original languageEnglish
Pages (from-to)10742–10772
Number of pages31
JournalJournal of Medicinal Chemistry
Issue number19
Early online date20 May 2020
Publication statusPublished - 8 Oct 2020


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