FieldScreen: Virtual Screening Using Molecular Fields. Application to the DUD Data Set

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• 作者：Timothy J. Cheeseright ; Mark D. Mackey ; James L. Melville ; Jeremy G. Vinter
• 刊名：Journal of Chemical Information and Modeling
• 出版年：2008
• 出版时间：November 24, 2008
• 年：2008
• 卷：48
• 期：11
• 页码：2108-2117
• 全文大小：358K
• 年卷期：v.48,no.11(November 24, 2008)
• ISSN：1549-960X

文摘

FieldScreen, a ligand-based Virtual Screening (VS) method, is described. Its use of 3D molecular fields makes it particularly suitable for scaffold hopping, and we have rigorously validated it for this purpose using a clustered version of the Directory of Useful Decoys (DUD). Using thirteen pharmaceutically relevant targets, we demonstrate that FieldScreen produces superior early chemotype enrichments, compared to DOCK. Additionally, hits retrieved by FieldScreen are consistently lower in molecular weight than those retrieved by docking. Where no X-ray protein structures are available, FieldScreen searches are more robust than docking into homology models or apo structures.