DNA-dependent protein kinase, DNAPK, DNA-PK, DSB, Buchwald-Hartwig amination, ATP, Apoptosis, antitumor, Fries rearrangement, Inhibitor, IC 86621, IC86621, IC-86621, inhibit
IC 86621 is a potent, selective, and reversible ATP-competitive inhibitor of DNA-PK, exhibiting an IC50 of 120 nM. It disrupts DNA double-strand break repair with an EC50 of 68 µM in cellular assays, enhancing the antitumor effects of DNA-damaging agents in cancer research models, both in vitro and in vivo.