PMID: 29783765

Authors:

Asquith CRM, Godoi PH, Counago RM, Laitinen T, Scott JW, Langendorf CG, Oakhill JS, Drewry DH, Zuercher WJ, Koutentis PA, Willson TM, Kalogirou AS

Title:

1,2,6-Thiadiazinones as Novel Narrow Spectrum Calcium/Calmodulin-Dependent Protein Kinase Kinase 2 (CaMKK2) Inhibitors.

Journal:

Molecules. 2018 May 19;23(5). pii: molecules23051221. doi:, 10.3390/molecules23051221.

Abstract:

We demonstrate for the first time that 4H-1,2,6-thiadiazin-4-one (TDZ) can function as a chemotype for the design of ATP-competitive kinase inhibitors. Using insights from a co-crystal structure of a 3,5-bis(arylamino)-4H-1,2,6-thiadiazin-4-one bound to calcium/calmodulin-dependent protein kinase kinase 2 (CaMKK2), several analogues were identified with micromolar activity through targeted displacement of bound water molecules in the active site. Since the TDZ analogues showed reduced promiscuity compared to their 2,4-dianilinopyrimidine counter parts, they represent starting points for development of highly selective kinase inhibitors.