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G2626

Sigma-Aldrich

L-Glutamic Dehydrogenase from bovine liver

Type II, 50% glycerol solution, ≥35 units/mg protein

Synonym(s):

L-GLDH, L-Glutamate:NAD[P]+ Oxidoreductase (deaminating), Glutamate Dehydrogenase from bovine liver

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About This Item

CAS Number:
9029-12-3
Enzyme Commission number:
1.4.1.3 (BRENDA, IUBMB)
MDL number:
MFCD00131461
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

bovine liver

Quality Level

200

type

Type II

form

glycerol solution (50%)

specific activity

≥35 units/mg protein

mol wt

310-350 kDa

UniProt accession no.

P00366

shipped in

wet ice

storage temp.

2-8°C

Gene Information

cow ... GLUD1(281785)

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Application

L-glutamic dehydrogenase was used to catalyze the conversion of isocitrate into α-ketoglutarate and carbon dioxide.

Biochem/physiol Actions

Mammalian forms of this enzyme, including this bovine form, can use either NADP(H) or NAD(H) as coenzymes. L-glutamic dehydrogenase plays a unique role in mammalian metabolism. The reverse reaction catalyzed by this enzyme is the only pathway by which ammonia can become bound to the α-carbon atom of an α-carboxylic acid and thus, is the only source of de novo amino acid synthesis in mammalian species.

The bovine enzyme is characterized by three sets of properties:
  • It has a reversible concentration-dependent association, producing higher molecular weight forms.
  • Forms tight enzyme-reduced coenzyme-substrate ternary complexes whose rates of dissociation modulate the steady-state reaction rates.
  • Exhibits a wide variety of effects from the binding of any of a number of nucleotide modifiers.

L-glutamic dehydrogenase catalyzes the conversion of glutamate to α-ketoglutarate.

Unit Definition

One unit will reduce 1.0 μmole of α-ketoglutarate to L-glutamate per min at pH 7.3 at 25 °C, in the presence of ammonium ions.

Physical form

50% glycerol solution

Analysis Note

Protein determined by biuret.

substrate

Product No.
Description
Pricing

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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Joaquín V Rodriguez et al.
Artificial organs, 32(4), 323-328 (2008-03-29)
This work deals with the construction and performance of a hollow fiber-based minibioreactor (MBR). Due to its simple design and the utilization of standard materials, it could serve as a suitable tool to evaluate the behavior and performance of cold
Mariagrazia Grimaldi et al.
Human molecular genetics, 26(18), 3453-3465 (2017-09-16)
Congenital hyperinsulinism/hyperammonemia (HI/HA) syndrome gives rise to unregulated protein-induced insulin secretion from pancreatic beta-cells, fasting hypoglycemia and elevated plasma ammonia levels. Mutations associated with HI/HA were identified in the Glud1 gene, encoding for glutamate dehydrogenase (GDH). We aimed at identifying
Sabine Ruegenberg et al.
Nature communications, 12(1), 2176-2176 (2021-04-14)
The hexosamine pathway (HP) is a key anabolic pathway whose product uridine 5'-diphospho-N-acetyl-D-glucosamine (UDP-GlcNAc) is an essential precursor for glycosylation processes in mammals. It modulates the ER stress response and HP activation extends lifespan in Caenorhabditis elegans. The highly conserved
Weiwei Dai et al.
The Journal of clinical investigation (2022-10-19)
Glutamine synthetase (GS) catalyzes de novo synthesis of glutamine that facilitates cancer cell growth. In the liver, GS functions next to the urea cycle to remove ammonia waste. As dysregulated urea cycle is implicated in cancer development, the impact of
Ajit S Divakaruni et al.
Analytical biochemistry, 552, 60-65 (2017-10-11)
Activities of enzymes localized to the mitochondrial matrix of mammalian cells are often critical regulatory steps in cellular metabolism. As such, measurement of matrix enzyme activities in response to genetic modifications or drug interventions is often desired. However, measurements in
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