k1 = K_mran
k2 = R1_total
k3 = R2_total
k4 = S2_export_from_nuc
k5 = S2_import_to_nuc
k6 = S2_total
k7 = S4_export_from_nuc
k8 = S4_import_to_nuc
k9 = S4_total
k10 = Trimer_import_to_nuc
k11 = export_cytoplasm
k12 = hill_fact1
k13 = index_active_Rec_internalize
k14 = index_induced_R2_deg
k15 = index_induced_ligand_deg
k16 = index_k_out_1_relative_speed
k17 = index_k_out_2_relative_speed
k18 = index_kb_R1
k19 = index_kb_R2
k20 = index_kb_homotrimer
k21 = index_kf_homotrimer
k22 = index_seq_kb
k23 = index_trimer_dephos
k24 = k5
k25 = k_Dephos
k26 = k_S7_protein
k27 = k_disso_Active_Rec
k28 = k_in_1
k29 = k_in_2
k30 = k_induced_S7_production
k31 = k_medium
k32 = k_phosphorylation
k33 = kb_trimmer
k34 = kdeg_R1
k35 = kdeg_R2
k36 = kdeg_S2
k37 = kdeg_S4
k38 = kdeg_S7
k39 = kf_R1_activation
k40 = kf_R2_activation
k41 = kf_Seq_S7_Rec
k42 = kf_trimmer
k43 = kin_deg_Ligand
k44 = kmRNA1deg_S7
k45 = kmRNAdeg_S7
k46 = mRNA_prod
k47 = TGFb_LIGAND_Dose
k48 = NUC_CYT_SMAD2
k49 = cyt
k50 = nuc