R1
X > Xa
R2
Xa > Xa_ATIII
R3
Va + Xa + PL = PT
R4
V > Va
R5
II > IIa
R6
II > IIa
R7
IIa > IIa_alpha2M
R8
IIa > IIa_ATIII
AmAct = IIa + 0.556 * IIa_alpha2M
HenriMichaelisMenten_irreversible_kcat(kcat, enzyme, substrate, Km) = kcat * enzyme * substrate / (Km + substrate)
Note that constraints are not enforced in simulations. It remains the responsibility of the user to verify that simulation results satisfy these constraints.