0 -> CycE
CycE -> 0
0 -> CycA
CycA -> 0
0 -> p27
p27 -> 0
CycE + p27 <-> CycEp27
CycA + p27 <-> CycAp27
CycAp27 -> p27
CycAp27 -> CycA
CycEp27 -> p27
CycEp27 -> CycE
0 -> Skp2
Skp2 -> 0
Cdh1 -> Cdh1p
Cdh1p -> Cdh1
Cdh1 + Emi1 <-> Emi1Cdh1
Emi1Cdh1 -> Cdh1
0 -> Emi1
Cdh1p + Emi1 <-> Emi1Cdh1p
Emi1Cdh1 -> Emi1Cdh1p
Emi1Cdh1p -> Emi1Cdh1
Emi1Cdh1p -> Cdh1p
Emi1 -> 0