Fig. 4From: In vitro inhibitory effect of obtusofolin on the activity of CYP3A4, 2C9, and 2E1Lineweaver-Burk plots (A) and the secondary plot for Ki (B) of the inhibition of obtusofolin on CYP3A4 in pooled HLMs. Data were obtained from the incubation with 20–100 μM testosterone in the presence of 0, 2, 5, 10, and 30 μM obtusofolinBack to article page