CDC25 Phosphatase Inhibitor I

BN-82002, also known as CDC25 Phosphatase Inhibitor I, is a cell-permeable ortho-hydroxybenzylamino compound that displays anti-tumor properties. BN-82002 acts as a potent, selective, and irreversible inhibitor of CDC25 phosphatase family (IC50 = 2.4, 3.9, 6.3, 5.4, and 4.6 μM for 25A, 25B2, 25B3, 25C, and 25C-cat, respectively) . BN82002 inhibits the phosphatase activity of recombinant human CDC25A, B, and C in vitro. It impairs the proliferation of tumoral cell lines and increases cyclin-dependent kinase 1 inhibitory tyrosine phosphorylation. In synchronized HeLa cells, BN82002 delays cell cycle progression at G1-S, in S phase and at the G2-M transition.