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C4899

Sigma-Aldrich

Carnitine Acetyltransferase from pigeon breast muscle

ammonium sulfate suspension, ≥50 units/mg protein

Sinônimo(s):

CATC, Carnitine acetyltransferase, Acetyl-Co-A:carnitine-O-acetyltransferase, CrAT

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About This Item

Número CAS:
Número da licença da enzima:
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54

fonte biológica

pigeon breast

Nível de qualidade

forma

ammonium sulfate suspension

atividade específica

≥50 units/mg protein

concentração

≥0.4 mg/mL

técnica(s)

cell based assay: suitable

nº de adesão de ID de proteína

nº de adesão UniProt

temperatura de armazenamento

2-8°C

Informações sobre genes

pigeon ... CRAT(102084317)

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Descrição geral

Research area: Cell Signaling

Aplicação

Carnitine Acetyltransferase from pigeon breast muscle has been used in enzymatic assays.

Ações bioquímicas/fisiológicas

Carnitine acyltransferases (CrAT) are enzymes that contribute to the reversible conversion of acetyl-CoA and carnitine into acetylcarnitine and free CoA. This enzymatic process plays a vital role in the energy metabolism of eukaryotes by promoting the β-oxidation of fatty acids. CrAT-mediated acetyl carnitine production and efflux help maintain a balance between acetyl-CoA and acetyl carnitine in the mitochondria, regenerate free CoA, and alleviate the product inhibition of pyruvate dehydrogenase (PDH), which is a key enzyme in glucose oxidation. This process promotes glucose homeostasis and helps maintain optimal cellular energy metabolism. Carnitine acetyltransferase activity also aids in the progression of the cell cycle from G1 to S phase. carnitine acetyltransferase deficiency also leads to the development of various neurological disorders including Alzheimer′s disease, ataxic encephalopathy, and several vascular diseases.
Carnitine acetyltransferase maintains the cellular and mitochondrial levels of acetyl-CoA, a key cofactor required for oxidative metabolism, by catalyzing an equilibrium between acetyl-CoA and acetyl-L-carnitine, a storage form of activated acetate. Carnitine acetyltransferase also maintains the pool of acetyl-CoA required for neuronal and nonneuronal acetylcholine production.

Definição da unidade

One unit will convert 1.0 μmole of acetyl-L-carnitine and CoA to L-carnitine and acetyl-CoA per min at pH 8.0 at 25 °C.

forma física

Crystalline suspension in 3.2 M (NH4)2SO4 solution, 50 mM potassium phosphate, 1 mM dithiothreitol, pH 7.0

Nota de análise

Protein determined by biuret.

inibidor

Nº do produto
Descrição
Preços

Código de classe de armazenamento

12 - Non Combustible Liquids

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


Certificados de análise (COA)

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Rui Wu et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(9), 3259-3263 (2012-02-14)
Phenotypic plasticity occurs prevalently and plays a vital role in adaptive evolution. However, the underlying molecular mechanisms responsible for the expression of alternate phenotypes remain unknown. Here, a density-dependent phase polyphenism of Locusta migratoria was used as the study model
Alfred Lohninger et al.
Gynakologisch-geburtshilfliche Rundschau, 49(4), 230-235 (2009-01-01)
Increased plasma free fatty acid (FFA) levels are a feature of insulin resistance and type 2 diabetes. The aim of the present study was to assess the effect of L-carnitine supplementation on plasma lipids and the expression of enzymes in
Marie A Schroeder et al.
Circulation. Cardiovascular imaging, 5(2), 201-209 (2012-01-13)
Carnitine acetyltransferase catalyzes the reversible conversion of acetyl-coenzyme A (CoA) into acetylcarnitine. The aim of this study was to use the metabolic tracer hyperpolarized [2-(13)C]pyruvate with magnetic resonance spectroscopy to determine whether carnitine acetyltransferase facilitates carbohydrate oxidation in the heart.
Ann T Hanna-Mitchell et al.
Life sciences, 80(24-25), 2298-2302 (2007-03-17)
Non-neuronal release of acetylcholine (ACh) has been proposed to play a role in urinary bladder function. These studies investigated the expression and function of the non-neuronal cholinergic system in cultured urothelial cells isolated from the rat urinary bladder. Our findings
Kristaps Jaudzems et al.
Journal of enzyme inhibition and medicinal chemistry, 24(6), 1269-1275 (2009-11-17)
Carnitine acetyltransferase (CrAT; EC 2.3.1.7) catalyzes the reversible transfer of acetyl groups between acetyl-coenzyme A (acetyl-CoA) and L-carnitine; it also regulates the cellular pool of CoA and the availability of activated acetyl groups. In this study, biochemical measurements, saturation transfer

Artigos

Instructions for working with enzymes supplied as ammonium sulfate suspensions

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