(1) CDK2_Thr160_pho:cyclin E1*@nucleus - GSK3B@nucleus -> CDK2_Thr160_pho:cyclin E1*_Thr380_pho@nucleus (2) CDK2_Thr160_pho:cyclin E1*_Thr380_pho@nucleus -> cyclin E1*_Thr380_pho@nucleus+CDK2_Thr160_pho@nucleus