期刊
JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY
卷 25, 期 1, 页码 26-27出版社
WILEY-BLACKWELL
DOI: 10.1002/jbt.20356
关键词
Semicarbazide-Sensitive Amine Oxidase (SSAO); Caffeine; Enzyme Inhibition; Imidazoline Binding Sites
Semicarbazide-sensitive amine oxidase (SSAO) is a copper-containing enzyme that catalyzes the oxidative deamination of endogenous and exogenous primary amines. SSAO exists in mammals both as a plasma-soluble and as a membrane-bound form, and its active site is able to come into contact with numerous xenobiotic, amine-containing compounds. The kinetic studies performed in this work showed that caffeine inhibition of bovine serum amine oxidase was noncompetitive when benzylamine was used as substrate and mixed when the substrate used was methylamine. Since caffeine contains an imidazole ring, it cannot be excluded that it might bind to an inhibitory imidazoline-binding site on SSAO. 0 2010 Wiley Periodicals, Inc. J Biochem Mol Toxicol 25:26-27, 2011; View this article online at wileyonlinelibrary.com. DOI 10:1002/jbt.20356
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