Lavin 1980s ATM + Cimprich-Cortez 2008 ATR: PIKK family kinases sense DSB (ATM-MRN) + ssDNA (ATR-RPA); phosphorylate Chk1/2 -> Cdc25 inhibition -> CDK arrest.
Lavin 1980s ATM + Cimprich-Cortez 2008 ATR: PIKK family kinases sense DSB (ATM-MRN) + ssDNA (ATR-RPA); phosphorylate Chk1/2 -> Cdc25 inhibition -> CDK arrest.