a0_tr efficiency kd_prot K_m a_tr efficiency kd_prot K_m kd_prot kd_mRNA mRNA_halflife 2 2 prot_halflife 2 mRNA_halflife efficiency kd_mRNA tps_active tps_repr 60 tps_repr 60 a0_tr a_tr K_m n K_m n P_cl n kd_mRNA M_lacl a_tr K_m n K_m n P_lacl n a0_tr kd_mRNA M_tetR a_tr K_m n K_m n P_tetR n a0_tr kd_mRNA M_cl k_tl M_lacl kd_prot P_lacl k_tl M_tetR kd_prot P_tetR k_tl M_cl kd_prot P_cl