An Unusual Binding Model of the Methyl 9-Anilinothiazolo[5,4-f] quinazoline-2-carbimidates (EHT 1610 and EHT 5372) Confers High Selectivity for Dual-Specificity Tyrosine Phosphorylation-Regulated Kinases

Journal of Medicinal Chemistry
2016.0

Abstract

Methyl 9-anilinothiazolo[5,4-f]quinazoline-2-carbimidates 1 (EHT 5372) and 2 (EHT 1610) are strong inhibitors of DYRK's family kinases. The crystal structures of the complex revealed a noncanonical binding mode of compounds 1 and 2 in DYRK2, explaining the remarkable selectivity and potency of these inhibitors. The structural data and comparison presented here provide therefore a template for further improvement of this inhibitor class and for the development of novel inhibitors selectively targeting DYRK kinases.

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