TABLE 1

Kinetic parameters for the formation of the 6′b-OH hydroxylated product by CYP102A1 mutants

P450 EnzymeSimvastatinLovastatin
kcatKmkcat/KmkcatKmkcat/Km
min1mMmin1Mmin1mMmin1M
Mutant 1610 ± 137 ± 60.27 ± 0.0514 ± 144 ± 90.32 ± 0.07
Mutant 1715 ± 142 ± 60.36 ± 0.6019 ± 241 ± 90.46 ± 0.11
Human CYP3A46.6 ± 0.9130 ± 300.051 ± 0.0144.2 ± 0.554 ± 150.078 ± 0.024