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Lessons from hot spot analysis for fragment-based drug discovery #MMPMID26538314
Hall DR; Kozakov D; Whitty A; Vajda S
Trends Pharmacol Sci 2015[Nov]; 36 (11): 724-36 PMID26538314show ga
Analysis of binding energy hot spots at protein surfaces can provide crucial insights into the prospects for successful application of fragment-based drug discovery (FBDD), and whether a fragment hit can be advanced into a high affinity, druglike ligand. The key factor is the strength of the top ranking hot spot, and how well a given fragment complements it. We show that published data are sufficient to provide a sophisticated and quantitative understanding of how hot spots derive from protein three-dimensional structure, and how their strength, number and spatial arrangement govern the potential for a surface site to bind to fragment-sized and larger ligands. This improved understanding provides important guidance for the effective application of FBDD in drug discovery.