A ligand's view of target similarity: chemogenomic binding site-directed techniques for drug discovery

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GPCR binding site-directed techniques are rapidly evolving into powerful tools for modern drug discovery. Many of these approaches bridge chemistry and biology, which are inseparable concepts in nature but are often treated as separate worlds in drug discovery and science in general. This review shows with several examples how focusing on the binding site(s) has a clear advantage when it comes to establishing sequence-correlated pharmacological profiles. By organizing and comparing sequence and structural data it is possible to "borrow" SAR from similar targets to increase the speed of lead-finding and, potentially, to produce ligands for previously intractable receptors. Sequence motifs correlated with ligands can be applied in the design of target-specific focused libraries that are both efficient and cost-effective and should provide increased hit-rates over diversity screening. Furthermore, in the optimization phase, the binding motif approach offers the possibility to identify quickly the most likely off-target candidates to be chosen for selectivity screening, as well as potentially characterizing those pockets which may best be exploited for improved selectivity.
Original languageEnglish
JournalCurrent Topics in Medicinal Chemistry
Issue number15
Pages (from-to)1872-1881
Publication statusPublished - 2011

Bibliographical note

Keywords: chemogenomics; GPCR; 7TM; lead generation; selectivity; polypharmacology; Privileged structures; compound library design

ID: 35921541