CDK1 Cyc B-IN-1 (Compound 5) is a potent inhibitor of the CDK1 Cyc B complex, demonstrating selectivity with an IC50 value of 97 nM. This compound induces apoptosis and G2 M cell cycle arrest, effectively halting cancer cell proliferation. Additionally, CDK1 Cyc B-IN-1 exhibits a wide-ranging cytotoxic effect on various cancer cell lines [1].
CDK4 6-IN-3 is a brain-penetrant CDK4 CDK6 inhibitor (Kis: <0.3 nM and 2.2 nM) used for the treatment of glioblastoma. It inhibits CDK1 with a Ki of 110 nM.