Hamster Hepatic Nuclear Mixed-Function Amine Oxidase: Location and Specific Activity

Nuclei isolated from hamster liver contain activities characteristic of the mixed-function amine oxidase. The enzyme present in nuclei, like the microsomal monooxygenase, catalyzes the oxygenation of both nitrogen and sulfur compound. Activity per milligram protein of isolated nuclei is 12-14% that...

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Veröffentlicht in:Molecular pharmacology 1980-07, Vol.18 (1), p.151
Hauptverfasser: Patton, S E, Rosen, G M, Rauckman, E J, Graham, D G, Small, B, Ziegler, D M
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container_start_page 151
container_title Molecular pharmacology
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creator Patton, S E
Rosen, G M
Rauckman, E J
Graham, D G
Small, B
Ziegler, D M
description Nuclei isolated from hamster liver contain activities characteristic of the mixed-function amine oxidase. The enzyme present in nuclei, like the microsomal monooxygenase, catalyzes the oxygenation of both nitrogen and sulfur compound. Activity per milligram protein of isolated nuclei is 12-14% that of microsomes. The hamster liver monooxygenase cross-reacts with antibodies raised in rabbits to the homogeneous pig liver microsomal mixed-function amine oxidase, and isolated nuclei stained with fluorescent labeled anti-body indicate that the monooxygenase is largely concentrated in the nuclear envelope.
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The enzyme present in nuclei, like the microsomal monooxygenase, catalyzes the oxygenation of both nitrogen and sulfur compound. Activity per milligram protein of isolated nuclei is 12-14% that of microsomes. 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subjects Animals
Cell Nucleus - enzymology
Cricetinae
Cytochrome P-450 Enzyme System - metabolism
Liver - enzymology
Liver - ultrastructure
Male
Mesocricetus
Microsomes, Liver - enzymology
Mixed Function Oxygenases - metabolism
Oxidoreductases - metabolism
Swine
title Hamster Hepatic Nuclear Mixed-Function Amine Oxidase: Location and Specific Activity
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