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Table 3 Kinetic parameters for xanthine oxidation in XO monoenzyme system. Constants are expressed as the mean ± SE

From: Plumbagin can potently enhance the activity of xanthine oxidase: in vitro, in vivo and in silico studies

PLB μM Km μM Vmax nmol/min/U Goodness of fit R2 CLint μL/min/U
0 25.3 ± 1.5 3.881 ± 0.058 0.994 153
5 25.9 ± 1.9 4.147 ± 0.080 0.991 160
10 28.6 ± 2.6 4.908 ± 0.1212 0.992 171
20 30.2 ± 3.3 5.484 ± 0.161 0.981 181
40 37.0 ± 3.5 6.666 ± 0.180 0.987 180