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Updated: Jan 15, 2026

Identification of Novel CK2 Kinase Substrates Using a Versatile Biochemical Approach
Published on: February 21, 2019
Discovery of new aurone derivatives as submicromolar CK2 inhibitors
Mykhailo V Mahdysiuk1, Galyna P Volynets1, Volodymyr G Bdzhola1
1Institute of Molecular Biology and Genetics, Kyiv, Ukraine.
Abstract:
Protein kinase CK2 is a promising therapeutic target, and this study explores 54 aurone derivatives as potential CK2 inhibitors. Activity was evaluated using luminescent and capillary electrophoresis assays, identifying 17 compounds with submicromolar activity. The most potent inhibitors shared key structural features: a benzo group on the A-ring, a hydrogen bond acceptor at the R4' position, and an additional substituent at the R3' position of the B-ring. Molecular docking revealed similar binding modes among active compounds, with interactions involving Leu45, Val53, Val66, Met163, Phe113, Lys68, and Ile174. Notably, BFO25 showed the highest activity (IC50 = 3 nM at 100 μM ATP). These findings highlight aurones as promising CK2 inhibitors and emphasise the significance of specific structural features.
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