Smad2c -> Smad2n
Smad2n -> Smad2c
Smad4c -> Smad4n
Smad4n -> Smad4c
0 -> T1R_Surf
T1R_Surf -> T1R_Cave
T1R_Cave -> T1R_Surf
T1R_Surf -> T1R_EE
T1R_EE -> T1R_Surf
T1R_EE -> 0
0 -> T2R_Surf
T2R_Surf -> T2R_Cave
T2R_Cave -> T2R_Surf
T2R_Surf -> T2R_EE
T2R_EE -> T2R_Surf + TGF_beta
T2R_EE -> 0
T1R_Surf + T2R_Surf + TGF_beta -> LRC_Surf
LRC_Surf -> LRC_Cave
LRC_Cave -> T1R_Surf + T2R_Surf + TGF_beta
LRC_Surf -> LRC_EE
LRC_EE -> T1R_Surf + T2R_Surf + TGF_beta
LRC_EE -> 0
Smad2c + Smad4c -> Smads_Complex_c
Smads_Complex_c -> Smads_Complex_n
Smads_Complex_n -> Smad2n + Smad4n
LRC_Cave -> 0