(center map)
(1) E2F1@nucleus+DP1*@nucleus -> DP1*:E2F1@nucleus
(2) DP1*:E2F1@nucleus - EP300@nucleus - CREBBP@nucleus - PCAF@nucleus -> DP1*:E2F1_Lys_ace@nucleus
(3) DP1*:E2F1@nucleus+pRB*@nucleus -> DP1*:E2F1:pRB*@nucleus
(4) DP1*:E2F1:pRB*__pho__pho__pho@nucleus -> pRB*__pho__pho__pho@nucleus+DP1*:E2F1@nucleus
(5) DP1*:E2F1_Lys_ace@nucleus - HDAC1@nucleus -> DP1*:E2F1@nucleus