PT - JOURNAL ARTICLE AU - GILLETTE, JAMES R. AU - KAMM, JEROME J. AU - SASAME, HENRY A. TI - Mechanism of <em>p</em>-Nitrobenzoate Reduction in Liver: The Possible Role of Cytochrome P-450 in Liver Microsomes DP - 1968 Nov 01 TA - Molecular Pharmacology PG - 541--548 VI - 4 IP - 6 4099 - http://molpharm.aspetjournals.org/content/4/6/541.short 4100 - http://molpharm.aspetjournals.org/content/4/6/541.full SO - Mol Pharmacol1968 Nov 01; 4 AB - The following evidence suggests that the reduction of p-nitrobenzoate to p-aminobenzoate by liver microsomes is mediated by cytochrome P-450: (a) carbon monoxide blocks nitroreduction, and the degree of inhibition is proportional to the amount of cytochrome P-450 bound as the carbon monoxide complex; (b) the rate of nitroreduction is proportional to the amount of cytochrome P-450 in liver microsomes from animals previously treated with either phenobarbital or carbon tetrachloride.