TABLE 3

Measured kinetic parameters (sP450 and cP450).


Substrate/Enzyme

Km

Vmax
sP450
cP450
sP450
cP450
μM nmol/min/nmol protein
Phenacetin/1A2 25 ± 4.2 65 ± 8.5 1.4 ± 0.1 1.6 ± 0.1
Diclofenac/2C9 2 ± 0.1 ± 0.3 14 ± 0.1 9 ± 0.3
Mephenytoin/2C19 20 ± 3.1 19 ± 2.6 13 ± 0.5 17 ± 1.0
Bufuralol/2D6 9 ± 0.8 7 ± 0.6 12 ± 0.4 9 ± 0.3
Midazolam/3A4
2.5 ± 0.6
2.4 ± 0.2
2.4 ± 0.2
5 ± 0.3