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Key Documents

G7509

Sigma-Aldrich

GABase from Pseudomonas fluorescens

lyophilized powder, Protein ≥30 % by biuret

Synonyme(s) :

GABase Enzyme, GABase from Pseudomonas, Pseudomonas GABase

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About This Item

Numéro MDL:
MFCD00131113
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.32

Source biologique

Pseudomonas fluorescens

Niveau de qualité

200

Pureté

≥30  % (biuret)

Forme

lyophilized powder

Activité spécifique

≥0.5 units/mg protein

Composition

Protein, ≥30% biuret

Technique(s)

inhibition assay: suitable

Température de stockage

−20°C

Description générale

Research area: Neuroscience


GABase is a commercially available mixture composed of γ-aminobutyric acid aminotransferase (GABGT) and succinic semialdehyde dehydrogenase (SSDH) obtained from Pseudomonas fluorescens.

Application

GABase from Pseudomonas fluorescens has been used for GABase assay to quantify the extracellular and intracellular concentration of GABA (γ-aminobutyric acid).

Actions biochimiques/physiologiques

GABase catalyzes the conversion of γ-aminobutyric acid (GABA) to succinic acid in the central nervous system. It is used to measure GABA levels in various biological samples. p-Hydroxybenzaldehyde (HBA) is known to be a potential inhibitor on GABase.

Définition de l'unité

One unit will convert 1.0 μmole of γ-aminobutyric acid (GABA) to succinic semialdehyde and then to succinate per min with a stoichiometric reduction of 1.0 μmole of NADP+ at pH 8.6 at 25 °C.

Forme physique

Partially purified lyophilized powder containing buffer salts and stabilizer

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)

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Consulter la Bibliothèque de documents

Kimon-Andreas G Karatzas et al.
Applied and environmental microbiology, 76(11), 3529-3537 (2010-04-20)
It is well established that the glutamate decarboxylase (GAD) system is central to the survival of Listeria monocytogenes at low pH, both in acidic foods and within the mammalian stomach. The accepted model proposes that under acidic conditions extracellular glutamate
Mingu Gordon Park et al.
Journal of enzyme inhibition and medicinal chemistry, 36(1), 2016-2024 (2021-09-14)
Many studies have focussed on modulating the activity of γ-aminobutyric acid transaminase (GABA-T), a GABA-catabolizing enzyme, for treating neurological diseases, such as epilepsy and drug addiction. Nevertheless, human GABA-T synthesis and purification have not been established. Thus, biochemical and drug
Structural and Mechanistic Basis for the Inactivation of Human Ornithine Aminotransferase by (3 S,4 S)-3-Amino-4-fluorocyclopentenecarboxylic Acid
Shen S, et al.
Molecules (Basel), 28(3) (2023)
Nicolaie Moldovan et al.
Sensors and actuators. B, Chemical, 337 (2022-05-24)
Glutamate (GLU) and gamma-aminobutyric acid (GABA) are neurotransmitters (NTs) with an essential role in signal transmission in the brain. Brain disorders, such as epilepsy, Alzheimer's and Parkinson's diseases, and traumatic brain injury can be linked to imbalances in the GLU-GABA
Sanjeev Billa et al.
Micromachines, 13(7) (2022-07-28)
Imbalances in levels of glutamate (GLU) and gamma-aminobutyric acid (GABA) and their sub-second signaling dynamics occur in several brain disorders including traumatic brain injury, epilepsy, and Alzheimer's disease. The present work reports on the optimization and in vivo testing of
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