(1) CDC2_Thr161_pho:cyclin B1*@nucleus+p21Cip*_Thr57_pho@nucleus -> CDC2_Thr161_pho:cyclin B1*:p21Cip*@nucleus (2) p21Cip*@nucleus - CDK2:cyclin A2*@nucleus -> p21Cip*_Thr57_pho@nucleus