TABLE 2

Kinetic parameters for M5 formation in male rat liver microsomes and expressed P450 enzymes

S.E. is shown in parentheses.

RLM1A11A23A13A2
Best model fitSigmoidalHyperbolicSigmoidalSigmoidalHyperbolic
Vmax30.6 (1.2)145.125.7 (1.4)233.0 (7.1)120.8
S50 or Km (μM)10.6 (1.1)6.08.2 (0.9)8.2 (0.7)2.2
Hill coefficient1.2 (0.1)1.2 (0.1)1.3 (0.1)