UsesAP23464 is an ATP-based inhibitor for Kit, that inhibits the phosphorylation of Kit wildtype and mutants, with IC50 of 5-85 nM. AP23464 inhibits the proliferation of Kit mutated cells (IC50 is 3-20 nM), arrests the cell cycle at G0/G1 phase, and induces apoptosis in Kit mutated cells[1].