Mechanistic studies of cytochrome P450 2B1 inactivation by xanthates.


Xanthates have previously been shown to inactivate the phenobarbital-inducible rat cytochrome P450 2B1 as well as its human homologue P450 2B6. The inactivation was mechanism-based and the loss in enzymatic activity was due to covalent binding of a reactive xanthate intermediate to the P450 2B1 apoprotein. In this report, we investigated various mechanistic… (More)


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