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Fragment-based screening for enzyme inhibitors using calorimetry

 
Isothermal Titration Calorimetry (ITC) provides a sensitive and accurate means by which to study the thermodynamics of binding reactions. In addition, it enables label-free measurement of enzymatic reactions. The advent of extremely sensitive microcalorimeters have made it increasingly valuable as a tool for hit validation and characterization, but its use in primary screening is hampered by requiring large quantities of reagents and long measurement times. Nanocalorimeters can overcome these limitations of conventional ITC, particularly for screening libraries of 500-1000 compounds such as those encountered in fragment-based lead discovery. This article describes how nanocalorimetry and conventional microcalorimetry can be used to screen compound libraries for enzyme inhibitors.
 
citation

Recht, M. I.; Nienaber, V.; Torres, F. Fragment-based screening for enzyme inhibitors using calorimetry. Methods in Enzymology, Volume 567, Calorimetry.