(center map)
(1) CDC2:cyclin B1*@nucleus - CDK7_Thr170_pho:MNAT1:cyclin H*@nucleus -> CDC2_Thr161_pho:cyclin B1*@nucleus
(2) CDC20@nucleus - CDC2_Thr161_pho:cyclin B1*@nucleus -> CDC20__pho@nucleus
(3) CDC2_Thr161_pho:cyclin B1*@nucleus -> CDC2_Thr161_pho@nucleus+cyclin B1*@nucleus
(4) CDC25C@nucleus - CDC2_Thr161_pho:cyclin B1*@nucleus -> CDC25C__pho@nucleus
(5) CDH1*@nucleus - CDK2_Thr160_pho:cyclin A2*@nucleus - CDC2_Thr161_pho:cyclin B1*@nucleus -> CDH1*__pho@nucleus
(6) CDC2_Thr161_pho:cyclin B1*@nucleus+p21Cip*_Thr57_pho@nucleus -> CDC2_Thr161_pho:cyclin B1*:p21Cip*@nucleus
(7) WEE1@nucleus - CHEK1_S317_pho_S345_pho@nucleus - CDC2_Thr161_pho:cyclin B1*@nucleus -> WEE1__pho@nucleus