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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

A Single Mutation in Cytochrome P450 BM3 Changes Substrate Orientation in a Catalytic Intermediate and the Regiospecificity of Hydroxylation

TL;DR: Analysis of the products of the action of the enzyme on laurate and myristate showed that the mutant catalyzed hydroxylation almost exclusively at the omega position, in marked contrast to the wild-type enzyme, with which no hydroxyation at this position was observed.
Journal ArticleDOI

Monooxygenase activity of human liver in microsomal fractions of needle biopsy specimens.

TL;DR: Methods are described for the determination of mixed function oxidase activity in microsomal fractions from percutaneous needle biopsies of human liver and the presence of liver disease caused a significant decrease in AHH activity and cytochrome P-450 content.
Journal ArticleDOI

Production of the sesquiterpenoid (+)-nootkatone by metabolic engineering of Pichia pastoris.

TL;DR: Intracellular production of (+)-valencene by co-expression of valencene synthase from Callitropsis nootkatensis resolved the phase-transfer issues of (+-valencenes.
Journal ArticleDOI

CYP153A6, a Soluble P450 Oxygenase Catalyzing Terminal-Alkane Hydroxylation

TL;DR: Spectroscopic binding studies showed that C6-to-C11 aliphatic alkanes bind in the active site with Kd values varying from approximately 20 nM to 3.7 microM, suggesting that the substrate-binding pocket is shaped such that linear alkanes are preferred.
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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