compartment alpha2 AcP Kg2 n 1 AcP Kg2 n alpha0 compartment alpha1 AcP Kg1 n 1 AcP Kg1 n alpha0 alpha3 1 LacI Kg3 n alpha0 compartment kd Acs compartment kd LacI compartment kd Pta compartment C OAc H Keq HOAc compartment kAck_f AcP kAck_r OAc compartment k2 Acs OAc KM2 OAc compartment k1 Pta AcCoA KM1 AcCoA compartment kTCA AcCoA compartment S0 compartment k3 HOAc HOAc_E