Cyclin-dependent kinase (cdk) 4 inhibitor (IC50
= 0.2 μM
at cdk4/cyclin D1). Displays > 500-fold selectivity over cdk2 (IC50
> 100 μM
for cdc2/cyclin A, cdk2/cyclin A and cdk2/cyclin E).
Kuboet al
(1999) The p16 status of tumor cell lines identifies small molecule inhibitors
specific for cyclin-dependent kinase 4. Clin.Cancer Res. 5 4279. McInneset al (2004) Structural determinants of CDK4 inhibition and design of
selective ATP competitive inhibitors. Chem.Biol. 11 525.