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MK-1775 955365-80-7
MK-1775 is an inhibitor of Wee1, a kinase that phosphorylates CDC2 to inactivate the CDC2/cyclin B complex (regulating the G2 checkpoint). Since most human cancers harbor p53-dependent G1 checkpoint abnormalities, they are dependent on the G2 checkpoint. G2 checkpoint abrogation may therefore sensitize p53 deficient tumor cells to anti-cancer agents