Cytochrome P450 1B1 (CYP1B1) can oxidise a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics as well as activating a range of procarcinogens. A specific substrate is the female sex hormone estradiol-17beta (EST17b) which is 4-hydroxylated to 4-hydroxyestradiol-17beta 4OH-EST17b) (Badawi et al. 2001).
Badawi, AF, Cavalieri, EL, Rogan, EG
monooxygenase activity of CYP1B1 [endoplasmic reticulum membrane]
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