Title : In vitro analysis of the activity of the major human hepatic CYP enzyme (CYP3A4) using [N-methyl-14C]-erythromycin.

Pub. Date : 1997 Dec

PMID : 9566442






1 Functional Relationships(s)
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1 The kinetics of erythromycin N-demethylation were best described by a one-site Michaelis-Menten model with autoinhibition and the apparent kinetic parameters for pooled human liver microsomes (HLM; Km=88 microM, Vmax=345 pmol/min/mg) and expressed CYP3A4 (Km=33 microM, Vmax=130 pmol/min/ mg) were in good agreement. erythromycin n cytochrome P450 family 3 subfamily A member 4 Homo sapiens