ATM_Ser 1981_pho re135 re142 re624 re623 MDM2@default MDM2:p53*@default p53*@default re281 re278 CHEK2 ATR CHEK2_Thr68_pho re271 p14ARF* DP1*:p14ARF* E2F1 re275 E2F1:p14ARF* re276 re130 ATM_Ser 1981_pho:NBS1__pho re132 p53*_Ser15_pho p53*_Ser15_pho_Ser20_pho ATM CHEK1 re157 AKT1 NBS1 NBS1__pho re164 MDM2:p14ARF* re266 MDM2:p14ARF*@nucleole re268 DP1*:p14ARF*@nucleole re273 E2F1:p14ARF*@nucleole re621 p53* MDM2 MDM2:p53* re265 re195 CHEK1_S317_pho_S345_pho MDM2_S395_pho re158 re622 re141 re159 re160