Here be dragons: docking and screening in an uncharted region of chemical space

Ruth Brenk, John J. Irwin, Brian K. Shoichet

    Research output: Contribution to journalArticlepeer-review

    37 Citations (Scopus)


    To compare virtual and high-throughput screening in an unbiased way, 50,000 compounds were docked into the 3-dimensional structure of dihydrofolate reductase prospectively, and the results were compared to a subsequent experimental screening of the same library. Undertaking these calculations demanded careful database curation and control calculations with annotated inhibitors. These ultimately led to a ranked list of more likely and less likely inhibitors and to the prediction that relatively few inhibitors would be found in the empirical screen. The latter prediction turned out to be correct, with arguably no validated inhibitors found experimentally. Subsequent retesting of high-scoring docked molecules may have found 2 true inhibitors, although this remains uncertain due to experimental ambiguities. The implications of this study for screening campaigns are considered
    Original languageEnglish
    Pages (from-to)667-674
    Number of pages8
    JournalJournal of Biomolecular Screening
    Issue number7
    Publication statusPublished - Oct 2005


    • High-throughput screening (HTS)
    • HTS
    • Virtual screening
    • Molecular docking
    • Database preparation


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