Cdc25_phosphorylated -> 0
0 -> Cdc25_phosphorylated
Cyclin_Cdk1_preMPF -> Cyclin_Cdk1_MPF
Cyclin_Cdk1_MPF -> Cyclin_Cdk1_preMPF
Wee1_phosphorylated -> 0
0 -> Wee1_phosphorylated
Cyclin -> Cyclin_Cdk1_MPF
0 -> Cyclin
IE_phosphorylated -> 0
0 -> IE_phosphorylated
APC_active -> 0
0 -> APC_active
Cyclin_Cdk1_MPF -> 0
Cyclin -> 0
Cyclin_Cdk1_preMPF -> 0