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Here Be Dragons: Docking and Screening in an Uncharted Region of Chemical Space
University of California, San Francisco, Department of Pharmaceutical Chemistry, 1700 4th Street, San Francisco, CA 94143-2550shoichet{at}cgl.ucsf.edu 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.
Key Words: high-throughput screening • HTS • virtual screening • molecular docking • database preparation
This version was published on October
1, 2005 Journal of Biomolecular Screening, Vol. 10, No. 7,
667-674 (2005) This article has been cited by other articles:
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