G2751
Glutamic-Oxalacetic Transaminase from porcine heart
Type I, ammonium sulfate suspension, 200-500 units/mg protein
Sinonimo/i:
L-Aspartate:2-oxoglutarate aminotransferase, Aspartate Aminotransferase, GOT
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About This Item
Prodotti consigliati
Tipo
Type I
Forma fisica
ammonium sulfate suspension
Attività specifica
200-500 units/mg protein
Attività estranea
glutamic-pyruvic transaminase ≤0.03%
lactic dehydrogenase ≤0.01%
malic dehydrogenase ≤0.01%
Condizioni di spedizione
wet ice
Temperatura di conservazione
2-8°C
Descrizione generale
Research area: Cellsignaling. Glutamic-Oxalacetic Transaminase is found in all tissues and is predominant in the liver and skeletal muscle. It is a prototype of fold-type I pyridoxal 5′-phosphate (PLP)-enzymes. Glutamic-oxalacetic transaminase is a homodimer containing large and small domains in each subunit.
Applicazioni
Glutamic-OxalaceticTransaminase from porcine heart is suitable for the preparation ofphenylalanine amino acid. The immobilized form of this enzyme maybe used incomparison studies between soluble and immobilized forms in terms of reactionefficiency and stability.
Glutamic-Oxalacetic Transaminase from porcine heart has been used:
- in an enzyme-coupled assay for evaluating L-asparaginase enzyme activity
- in microtiter plate format enzyme-based assay to estimate malic acid content in berry samples
- as a supplement in homogenization buffers for the isolation of heart mitochondrial membranes in the presence of oxaloacetate (OAA)-depleting system
Azioni biochim/fisiol
Glutamic-oxalacetic transaminase or aspartate aminotransferase (AAT) catalyzes the interconversion of L-aspartate and α-ketoglutarate with oxalacetate and L-glutamate. This reversible transaminase reaction is dependent on pyridoxal 5′-phosphate (PLP). Glutamic-oxalacetic transaminase maintains the nitrogen currency for metabolism by generating L-glutamate. Elevated serum levels of glutamic-oxalacetic transaminase are indicated in myocardial infarction, liver diseases, and some renal diseases.
Definizione di unità
One unit will convert 1.0 μmole of α-ketoglutarate to L-glutamate per min at pH 7.5 at 37 °C, in the presence of L-aspartic acid. One unit is equivalent to ~2,000O.D. (Karmen) units at 25 °C.
Stato fisico
Suspension in 3.0 M (NH4)2SO4 containing 0.05 M maleate and 2.5 mM α-ketoglutarate, pH 6.0
Risultati analitici
Protein determined by biuret.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
Certificati d'analisi (COA)
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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I clienti hanno visto anche
Anna Stepanova et al.
Biochimica et biophysica acta, 1857(9), 1561-1568 (2016-06-12)
Mitochondrial Complex II is a key mitochondrial enzyme connecting the tricarboxylic acid (TCA) cycle and the electron transport chain. Studies of complex II are clinically important since new roles for this enzyme have recently emerged in cell signalling, cancer biology
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The laboratory rabbit, guinea pig, hamster, and other rodents., 57-116 (2012)
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Michael D Toney
Archives of biochemistry and biophysics, 544, 119-127 (2013-10-15)
Aspartate aminotransferase (AAT) is a prototypical pyridoxal 5'-phosphate (PLP) dependent enzyme that catalyzes the reversible interconversion of l-aspartate and α-ketoglutarate with oxalacetate and l-glutamate via a ping-pong catalytic cycle in which the pyridoxamine 5'-phosphate enzyme form is an intermediate. There
Articoli
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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