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