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Documenti fondamentali

G4134

Sigma-Aldrich

Glucosio-6-fosfato deidrogenasi

Type IX, lyophilized powder, 200-400 units/mg protein (modified Warburg-Christian)

Sinonimo/i:

G-6-P-DH, Zwischenferment

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About This Item

Numero CAS:
Classificazione EC (Enzyme Commission):
Numero CE:
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54

Tipo

Type IX

Livello qualitativo

Forma fisica

lyophilized powder

Attività specifica

200-400 units/mg protein (modified Warburg-Christian)

PM

128 kDa

Tenore di β-NADP e β-NADPH

≤10 mmol/mol

applicazioni

agriculture

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

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Categorie correlate

Descrizione generale

Research area: Cell Signaling

Glucose-6-phosphate dehydrogenase (G6PD) is a key metabolic enzyme of the pentose phosphate pathway. In S. cerevisiae, it is encoded by the ZWF1 gene. G6PD exists as a tetramer in its active form.[1]

Applicazioni

Glucose-6-phosphate dehydrogenase is used:
  • To test ketose reductase activity in developing maize endosperm.[2]
  • For recycling microassay of β-NADP and β-NADPH.[3][4]
  • To measure the intracellular levels of NADPH and total NADP.[5]
  • To measure the nicotinamide adenine dinucleotide (NAD) kinase kinetic assay activity.[6]

Azioni biochim/fisiol

La glucosio-6-fosfato deidrogenasi catalizza la conversione del glucosio-6-fosfato in 6-fosfoglucono-acetone come prima fase della via dei pentoso fosfati.
Glucose-6-phosphate dehydrogenase catalyzes the rate-limiting step in the pentose phosphate pathway. Its function involves the conversion of glucose-6-phosphate to 6-phosphogluconolacetone while generating NADPH, which is essential for the regeneration of glutathione The glutathione system utilizes nicotinamide adenine dinucleotide phosphate hydrogen (NADPH) to effectively eliminate excess hydrogen peroxide.[7] Glucose-6-phosphate dehydrogenase (G6PD) plays an important role in regulating cell growth and survival. Their levels are higher in cells undergoing normal and neoplastic growth. Increased glucose-6-phosphate dehydrogenase activity plays a pivotal role in preventing reactive oxygen species mediated cell death.[8] Glucose-6-phosphate dehydrogenase is over expressed in several cancers whereas its activity is reduced in hyperglycemia. A deficiency in glucose-6-phosphate dehydrogenase causes hemolysis.[9]

Definizione di unità

One unit will oxidize 1.0 μmole of D-glucose 6-phosphate to 6-phospho-D-gluconate per min in the presence of NADP at pH 7.4 at 25 °C.

Stato fisico

Lyophilized powder essentially sulfate-free, containing approx. 20% sodium citrate

Pittogrammi

Health hazard

Avvertenze

Danger

Indicazioni di pericolo

Consigli di prudenza

Classi di pericolo

Resp. Sens. 1

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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D Oh et al.
Molecular and cellular biology, 10(4), 1415-1422 (1990-04-01)
The Saccharomyces cerevisiae GAL5 (PGM2) gene was isolated and shown to encode the major isozyme of phosphoglucomutase. Northern (RNA) blot hybridization revealed that the GAL5 transcript level increased three- to fourfold in response to galactose and was severely repressed in
An improved cycling assay for nicotinamide adenine dinucleotide.
C Bernofsky et al.
Analytical biochemistry, 53(2), 452-458 (1973-06-01)
A simple ultramicro method for determination of pyridine nucleotides in tissues.
J S Nisselbaum et al.
Analytical biochemistry, 27(2), 212-217 (1969-02-01)
Pranavi Koppula et al.
Nature communications, 13(1), 2206-2206 (2022-04-24)
Targeting ferroptosis, a unique cell death modality triggered by unrestricted lipid peroxidation, in cancer therapy is hindered by our incomplete understanding of ferroptosis mechanisms under specific cancer genetic contexts. KEAP1 (kelch-like ECH associated protein 1) is frequently mutated or inactivated
D C Doehlert
Plant physiology, 84(3), 830-834 (1987-07-01)
Ketose reductase (NAD-dependent polyol dehydrogenase EC 1.1.1.14) activity, which catalyzes the NADH-dependent reduction of fructose to sorbitol (d-glucitol), was detected in developing maize (Zea mays L.) endosperm, purified 104-fold from this tissue, and partially characterized. Product analysis by high performance

Protocolli

Enzymatic Assay of Hexokinase

This procedure may be used for all Phosphoglucomutase products except for Phosphoglucomutase, Catalog Number P4109.

Enzymatic Assay of Glucose-6-Phosphate Dehydrogenase (EC 1.1.1.49)

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