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Open AccessJournal ArticleDOI

The Carbon Monoxide-binding Pigment of Liver Microsomes I. EVIDENCE FOR ITS HEMOPROTEIN NATURE

Tsuneo Omura, +1 more
- 01 Jul 1964 - 
- Vol. 239, Iss: 7, pp 2370-2378
TLDR
The present paper gives a detailed account of the investigations on rabbit liver microsomes and crude microsomal digests, which have led to postulate the hemoprotein nature of the pigment.
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This article is published in Journal of Biological Chemistry.The article was published on 1964-07-01 and is currently open access. It has received 11895 citations till now. The article focuses on the topics: Carbon monoxide binding & Microsome.

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Citations
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Journal ArticleDOI

Structure and function of the cytochrome P450 peroxygenase enzymes.

TL;DR: The biochemical properties of the P450 peroxygenases are focused on and on their biotechnological applications with respect to production of volatile alkenes as biofuels, as well as other fine chemicals.
Journal ArticleDOI

Polychlorinated biphenyl immunotoxicity: Dependence on isomer planarity and the Ah gene complex

TL;DR: Results are consistent with the hypothesis and suggest that PCB immunotoxicity is mediated through a genetically controlled cytosolic receptor present in C 57 BL 6 but not in DBA 2 mice and that the immunotoxic potential of PCB isomers is dependent on their conformational planarity.
Journal Article

A relative deficiency of cytochrome P-450 and aryl hydrocarbon [benzo(a)pyrene] hydroxylase in hyperplastic nodules induced by 2-acetylaminofluorene in rat liver.

TL;DR: A relative nodule deficiency in some of the cellular components believed to be important in the activation of hepatocarcinogens and hepatotoxins offer one possible explanation for the relative resistance to carcinogen cytotoxicity of hyperplastic liver nodules.
Journal ArticleDOI

Behavior of hepatic microsomal cytochromes after treatment of mice with drugs known to disturb porphyrin metabolism in liver.

TL;DR: Treatment with drugs which precipitate acute attacks in human hepatic porphyria resulted in a marked increase of the level of cytochromes without showing a decrease phase, whereas the activity of ALA synthetase remained at a level 1.5–2 times higher than normal without an increase of porphyrin.
Journal ArticleDOI

Suppression of microsomal cytochrome P450-dependent monooxygenases and mitochondrial oxidative phosphorylation by fullerenol, a polyhydroxylated fullerene C60

TL;DR: It is demonstrated that fullerenol-1 can suppress the levels of the microsomal enzymes in vivo and decrease the activities of P450-dependent monooxygenase and mitochondrial oxidative phosphorylation in vitro.
References
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Journal Article

Protein Measurement with the Folin Phenol Reagent

TL;DR: Procedures are described for measuring protein in solution or after precipitation with acids or other agents, and for the determination of as little as 0.2 gamma of protein.
Journal ArticleDOI

The Carbon Monoxide-binding Pigment of Liver Microsomes II. SOLUBILIZATION, PURIFICATION, AND PROPERTIES

TL;DR: The present paper gives a detailed account of the investigations on rabbit liver microsomes and crude microsomal digests, which have led to postulate the hemoprotein nature of the pigment.
Journal ArticleDOI

Hepatic Triphosphopyridine Nucleotide-Cytochrome c Reductase: Isolation, Characterization, and Kinetic Studies

TL;DR: Evidence is presented which suggests that this enzyme participates in a microsomal elect,ron transport system which does not include cytochrome c and kinetic evidence has been obtained which allows certain conclusions to be drawn concerning the mechanism of catalysis by this enzyme.
Journal ArticleDOI

Microsomal triphosphopyridine nucleotide-cytochrome c reductase of liver.

TL;DR: The biological role of reduced triphosphopyridine nucleotide (TPNH) and the metabolic pathways of its hydrogen atom and electron appear to be fundamentally different from those of reduced diphosphipyridineucleotide (DPNH).
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