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G8255

Sigma-Aldrich

Glutamic-Pyruvic Transaminase from porcine heart

lyophilized powder, ≥75 units/mg protein

Synonyme(s) :

L-Alanine: 2-Oxoglutarate Aminotransferase, Alanine Aminotransferase (catalytic concentration), GPT

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About This Item

Numéro CAS:
9000-86-6
Numéro de classification (Commission des enzymes):
2.6.1.2 (BRENDA, IUBMB)
Numéro Beilstein :
3562140
Numéro CE :
232-561-4
Numéro MDL:
MFCD00131192
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

Porcine heart

Niveau de qualité

200

Forme

lyophilized powder

Activité spécifique

≥75 units/mg protein

Composition

Protein, 75-95%

Technique(s)

cell culture | mammalian: suitable

Couleur

light yellow to yellow

Activité étrangère

L-glutamic dehydrogenase, lactic dehydrogenase and malic dehydrogenase ≤0.01%
glutamic-oxalacetic transaminase ≤0.1%

Température de stockage

−20°C

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Description générale

Glutamic-pyruvic transaminase (GPT) is localized majorly in the liver.

Research area: Cell Signaling

Application

Glutamic-Pyruvic Transaminase from porcine heart has been used:
  • in the transamination assay with a racemic mixture of synthetic 3-methyl-2-oxoglutarate
  • to remove glutamate from the cell culture medium used for culturing human embryonic kidney (HEK293) cells
  • in the lactate-dehydrogenase (LD)-coupled alanine transaminase (ALT) reaction kinetic studies

Actions biochimiques/physiologiques

Glutamic-pyruvic transaminase (GPT) mediates the transfer of the amino group to α-ketoglutarate from l-alanine which results in pyruvate and glutamate.Thereby GPT plays a key role in gluconeogenesis and amino acid metabolism. The role of GPT in various kinds of tumors has been reported.
Glutamic-pyruvic transaminase (GPT) is located in most cells in the body, but is found in highest concentrations in the liver. It is used as a marker of liver disease due to the release of GPT into the blood following liver cell necrosis.

Définition de l'unité

One unit will convert 1.0 μmole of α-ketoglutarate to L-glutamate per min at pH 7.6 at 37 °C in the presence of L-alanine.

Forme physique

Lyophilized powder containing citrate and acetate

Stockage et stabilité

Tightly closed. Dry. Keep locked up or in an area accessible only to qualified or authorized
persons

Remarque sur l'analyse

Protein determined by biuret

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H334

Conseils de prudence

P261 - P284 - P501

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Giordano Pula et al.
Journal of biochemical and biophysical methods, 64(3), 167-181 (2005-08-23)
The surface expression of G protein-coupled receptors is regulated by internalization. For many receptors, a constitutive level of internalization in the absence of agonist has been reported. The constitutive internalization of metabotropic glutamate receptor 1a (mGluR1a) has been described, but
A Comprehensive Guide to Toxicology in Nonclinical Drug Development
Faqi A S
Biomarkers journal., 2017 null
A simple and sensitive detection of glutamic-pyruvic transaminase activity based on fluorescence quenching of bovine serum albumin
Chen M, et al.
Royal Society of Chemistry Advances, 5, 103557-103562 (2015)
Christoph Mahlert et al.
Journal of the American Chemical Society, 129(39), 12011-12018 (2007-09-06)
The acidic lipopeptides, including the calcium-dependent antibiotics (CDA), daptomycin, and A54145, are important macrocyclic peptide natural products produced by Streptomyces species. All three compounds contain a 3-methyl glutamate (3-MeGlu) as the penultimate C-terminal residue, which is important for bioactivity. Here
Wei Guo et al.
Cancers, 12(7) (2020-07-15)
Metabolic reprogramming is an essential hallmark of cancer. Besides the "Warburg effect", cancer cells also actively reprogram amino acid metabolism to satisfy high nutritional demands in a nutrient-poor environment. In the glucose-alanine cycle, exogenous alanine taken up by hepatocytes is
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