Ligand-Based Approaches in Virtual Screening

Author(s): Dominique Douguet

Journal Name: Current Computer-Aided Drug Design

Volume 4 , Issue 3 , 2008

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Although there are many more receptor structures than there were in the 1970s and 1980s, drug discovery remains dominated by empirical screening and substrate-based drug design. Computer-aided drug design methods have become value-adding disciplines that now contribute to the early stage of the drug discovery process [1, 2]. Computational methods encompass all aspects of drug discovery from target assessment to lead optimization. The computational strategy varies from case to case and can be influenced by several situational variables: lead hunting or lead optimization, requirement for a novel lead class, type of biological assay, structural information available, known classes of ligands, allocated chemistry resources … Today, drug discovery is still a complex and approximate science. Thus, incorporating knowledgebased approaches like ligand-based screenings may bias the process towards success. This review describes these strategies with practical applications and presents future perspectives of ligand-based screening.

Keywords: Virtual screening, ligands, MCS, fingerprints, pharmacophore, molecular shape, descriptors, molecular similarity

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Article Details

Year: 2008
Page: [180 - 190]
Pages: 11
DOI: 10.2174/157340908785747456
Price: $65

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