Steady state kinetic analysis. Part A, MTH IPK for the forward reaction using ATP as the varied substrate. IP concentrations: 10 µM (○), 25 µM (●), 50 µM (□), and 100 µM (■). Part B, THA IPK for the forward reaction using ATP as the varied substrate. IP concentrations: 5 µM (○), 10 µM (●), 15 µM (□), 25 µM (■), 50 µM (Δ), and 100 µM (▲). Part C, MTH IPK for the reverse reaction using ADP as the varied substrate. IPP concentrations: 8 µM (○), 12 µM (●), 25 µM (□), and 50 µM (■).