(center map)
(1) DP1*:E2F1_Lys_ace@nucleus+PCAF@nucleus -> DP1*:E2F1_Lys_ace:PCAF@nucleus
(2) DP1*:E2F1_Lys_ace:PCAF@nucleus - CDK2_Thr160_pho:cyclin A2*@nucleus -> DP1*__pho:E2F1__pho_Lys_ace:PCAF@nucleus
(3) DP1*:E2F1_Lys_ace:PCAF@nucleus - CHEK2_Thr68_pho@nucleus - CHEK2@nucleus -> PCAF@nucleus+DP1*:E2F1_Lys_ace_Ser364_pho@nucleus
(4) DP1*:E2F1_Lys_ace:PCAF@nucleus - ATR@nucleus - ATM_Ser 1981_pho@nucleus -> DP1*:E2F1_Lys_ace_Ser31_pho@nucleus+PCAF@nucleus