TABLE 2

Effect of chemical inhibitors on M1 formation from 5BPO (5 μM) in mouse liver cytosol (protein conc., 0.5 mg/ml)

InhibitorInhibitor ConcentrationTarget Enzyme% M1 Formation at 30 Min
μM
No inhibitor (control)100
Allopurinol100XO74
Oxipurinol100XO90
Methotrexate100XO97
Raloxifene50AO7
Menadione100AO0