(center map)
(1) HDAC1:SIN3B@nucleus+DP2*:E2F4:p130*@nucleus+SUV39H1@nucleus -> DP2*:E2F4:HDAC1:SIN3B:SUV39H1:p130*@nucleus
(2) DP2*:E2F4:HDAC1:SIN3B:SUV39H1:p130*__pho@nucleus -> p130*__pho@nucleus+HDAC1@nucleus+SIN3B@nucleus+SUV39H1@nucleus+DP2*:E2F4@nucleus
(3) SUV39H1@nucleus+DP1*:E2F1:HDAC1:SWI/SNF:pRB*@nucleus -> DP1*:E2F1:HDAC1:SUV39H1:SWI/SNF:pRB*@nucleus