PT - JOURNAL ARTICLE AU - J A Hinson AU - J R Mitchell TI - N-Hydroxylation of phenacetin by hamster liver microsomes. DP - 1976 Sep 01 TA - Drug Metabolism and Disposition PG - 430--435 VI - 4 IP - 5 4099 - http://dmd.aspetjournals.org/content/4/5/430.short 4100 - http://dmd.aspetjournals.org/content/4/5/430.full SO - Drug Metab Dispos1976 Sep 01; 4 AB - Hamster liver microsomes have been shown to catalyze the N-hydroxylation of phenacetin. The reaction, which requires oxygen and NADPH, is inhibited by a carbon monoxide/oxygen atmosphere, indicating that it is catalyzed by a cytochrome P-450-dependent mixed-function oxidase. The N-hydroxyphenacetin can be further metabolized by the microsomes, and the reaction is inhibited by phenacetin.