Zhang, Zhiyuan, Wallace, Michael B., Feng, Jun, Stafford, Jeffrey A., Kaldor, Stephen W., Lihong, Shi, Skene, Robert J., Aertgeerts, Kathleen, Lee, Bumsup, Jennings, Andy, Xu, Rongda, Kassel, Daniel, Webb, David R., Gwaltney, Stephen L.
The discovery of two classes of heterocyclic dipeptidyl peptidase IV (DPP-4) inhibitors, pyrimidinones and pyrimidinediones, is described. After a single oral dose, these potent, selective, and noncovalent inhibitors provide sustained reduction of plasma DPP-4 activity and lowering of blood glucose in animal models of diabetes. Compounds 13a, 27b, and 27j were selected for development.
        
Representative scheme of DPP4N_Peptidase_S9 structure and an image from PDBsum server
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Databases
PDB-Sum
3G0D Previously Class, Architecture, Topology and Homologous superfamily - PDB-Sum server
FSSP
3G0DFold classification based on Structure-Structure alignment of Proteins - FSSP server