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Enzymic N-demethylation reaction catalysed by red blood cell cytosol
C Stecca1, J Cumps, M Duverger-Van Bogaert
1Laboratory of Teratogenesis and Mutagenesis, Catholic University of Louvain, Brussels, Belgium.
Biochemical Pharmacology
|January 22, 1992
Abstract:
Red blood cell cytosol promotes enzymic N-demethylation reactions which display typical Michaelis-Menten kinetics with respect to N-methylaniline as substrate. The demethylase activity is linked with hemoglobin (Hb) and is enhanced in the presence of NADH and the NADH-methemoglobin reductase system. It has been adduced that Hb in its oxygenated form is involved in the reaction.