Partial Separation of Rat Liver Mitochondrial Amine Oxidases
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چکیده
منابع مشابه
Inhibition of chickpea seedling copper amine oxidases by tetraethylenepentamine
Copper amine oxidases are important enzymes, which contribute to the regulation of mono- and polyamine levels. Each monomer contains one Cu(II) ion and 2,4,5-trihydroxyphenylalanine (TPQ) as cofactors. They catalyze the oxidative deamination of primary amines to aldehydes with a ping-pong mechanism consisting of a transamination. The mechanism is followed by the transfer of two electrons to mol...
متن کاملSubstrate specificity of amine oxidases.
DuBois, K. P., Albaum, H. G. & Potter, V. R. (1943). J. biol. Chem. 147, 699. Green, H. N. (1943). Lancet, 2, 147. Green, H. N. & Stoner, H. B. (1944). Brit. J. exp. Path. 25, 150. Kal¢kar, H. M. (1943). J. biol. Chem. 148, 127. Kolthoff, I. M. (1932). Saure-Ba8en Indicatoren. Berlin: Springer. Krebs, H. A. & Henseleit, K. (1932). Ho.ppe-Seyl. Z. 210, 33.' Lyubimova, M. N. & Pevsner, D. (1941)....
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Mitochondrial RNA polymerase activity from rat liver has previously been demonstrated in intact organelles. This activity has now been solubilized, partially purified, and shown to be a true polymerase, free of nuclease. The enzyme is derived from mitochondria and is not from contaminating bacteria or nuclear components. The enzyme is distinguished from its nuclear counterparts by its behavior ...
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1. Polynucleotide phosphorylase was partially purified from the inner membrane of rat liver mitochondria. 2. The partially purified particulate enzyme catalyses phosphorolysis of poly(A), poly(C), poly(U) and RNA to nucleoside diphosphates. 3. It is devoid of nucleoside diphosphate-polymerization activity. 4. Variable amounts of ADP/P(i)-exchange activity are associated with the polynucleotide ...
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In order to elucidate the response of mitochondria to the increase in cellular energy demand after hepatectomy, we have examined the effects of partial hepatectomy and hepatic artery ligation on the energy-transducing system of rat liver mitochondria. Specific content of DNA in the mitochondria increased on the first day after the hepatectomy and reached 150% of the original value. Oxidative ph...
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ژورنال
عنوان ژورنال: Nature
سال: 1963
ISSN: 0028-0836,1476-4687
DOI: 10.1038/200077a0