Table 3

Kinetic parameters for ring methyl oxidation of DEET by human cytochrome P450 isoforms expressed in baculovirus infected insect cells

BALC (Ring Methyl Oxidation)
KmVmaxCLint
μM nmol/nmol isoform/min 10−6/nmol isoform/min
CYP2B640.2  ± 1.2a 22.3  ± 2.1a 552.0  ± 40.4a
CYP1A241.0  ± 2.0a 24.5  ± 1.2a 598.7  ± 39.6a
CYP2D6>1000

Means in the same column followed by the same letter are not significantly different (P < 0.01). Values are the mean ± S.E.M. (n = 3).