(1) DP2*:E2F6@cell -t-> DP2*:E2F6@nucleus (2) BMI1*:MEL-18*:PHC1:RING1:RYBP@nucleus+DP2*:E2F6@nucleus -> BMI1*:DP2*:E2F6:MEL-18*:PHC1:RING1:RYBP@nucleus