(center map)
(1) HP1gamma*@nucleus+DP1*:E2F1:HDAC1:SUV39H1:SWI/SNF:pRB*@nucleus -> DP1*:E2F1:HDAC1:HP1gamma*:SUV39H1:SWI/SNF:pRB*@nucleus
(2) DP1*:E2F1:HDAC1:HP1gamma*:SUV39H1:SWI/SNF:pRB*@nucleus -> DP1*:E2F1:HDAC1:SWI/SNF:pRB*@nucleus+HP1gamma*:SUV39H1@nucleus