x1 = PCdk2_CycE
x2 = Cdk2_CycE
x3 = Wee1_a
x4 = Wee1_total
x5 = Cdk2_CycErem
x6 = PCdk2_CycErem
x7 = Deg_a
x8 = Xic
x9 = Xic_Cdk2_CycE
x10 = Xic_PCdk2_CycE
x11 = Xic_Cdk2_CycErem
x12 = Xic_PCdk2_CycErem
x13 = Xicrem
x14 = Cyc_total
x15 = Xic_total
x16 = Kin_a