(center map)
(1) cell cycle~progression@nucleus - CCNG2@nucleus -> cell cycle~arrest@nucleus
(2) cell cycle~arrest@nucleus - active~E2F1@nucleus - ANAPC1:ANAPC10:ANAPC11:ANAPC13:ANAPC2:ANAPC4:ANAPC5:ANAPC7:CDC16:CDC23:CDC26:CDC27:FZR1@nucleus -> cell cycle~progression@nucleus