Table 1.

Estimates of intrinsic clearance (µl min⁻¹ pmol⁻¹ CYP, r²) of tamoxifen to Z-4-OH-tam by supersomes expressing wild-type recombinant CYP450 isoform protein.

Expressed CYP450 isoform	Intrinsic clearance (r2)
CYP2B6	2.91×10−2 (0.998)
CYP2C9	3.71×10−2 (0.992)
CYP2C19	3.93×10−2 (0.999)
CYP2D6	4.20×10−2 (0.991)