Cytochrome P450 2A13 (CYP2A13)

Exhibits a coumarin 7-hydroxylase action. Active in the metabolic activation of hexamethylphosphoramide, N,N- dimethylaniline, 2'-methoxyacetophenone, N- nitrosomethylphenylamine, as well as the tobacco-specific carcinogen, 4- (methylnitrosamino)-1-(3-pyridyl)-1-butanone.

Possesses phenacetin O-deethylation action. .