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G5760 Sigma-Aldrich

Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides

Type XXIII, ammonium sulfate suspension, 550-1,100 units/mg protein (biuret), ≥2.0 mg/mL Biuret

Synonym: G-6-P-DH

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Properties

Related Categories 1.1.x.x Acting on hydroxyl groups, 1.x.x.x Oxidoreductases, Biochemicals and Reagents, Carbohydrate Metabolism, Cell Biology,
type   Type XXIII
form   ammonium sulfate suspension
concentration   ≥2.0 mg/mL Biuret
foreign activity   6-Phosphogluconic dehydrogenase, hexokinase, NADH oxidase and NADPH oxidase ≤0.005%
  PGI ≤0.01%
storage temp.   2-8°C

Description

General description

Glucose-6-phosphate Dehydrogenase (G6PD) from Leuconostoc mesenteroides catalyzes the oxidation of glucose 6-phosphate in the presence of nicotinamide adenine dinucleotide (NAD+) or nicotinamide adenine dinucleotide phosphate (NADP+). It corresponds to a molecular weight of 54 kDa and exists as a homodimer.

Application

Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides has been used:
• as a component of reaction mixture for assaying mannose- and glucose-6-phosphate activity
• as a component of reaction mixture in the nevirapine inhibition studies in human hepatic microsomes
• in the glucose-phosphorylating activity of chloroplast extracts

Glucose-6-phosphate dehydrogenase was used as a model to test the effect of seed protein fractions on enzyme protection during dehydration. G-6-PDH has been utilized in assays for nicotinamide adenine dinucleotide and tissue pyridine nucleotides.

Biochem/physiol Actions

Glucose-6-phosphate dehydrogenase catalyzes the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate pathway<<<17>>>.

Glucose-6-phosphate dehydrogenase catalyzes the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate pathway.

Lysine 21 in the Glucose-6-phosphate Dehydrogenase (G6PD) is crucial for binding NAD+. G6PD uses NAD+ or NADP+ based on the catabolic or anabolic metabolic pathway.

Unit Definition

One unit will oxidize 1.0 μmole of D-glucose 6-phosphate to 6-phospho-D-gluconate per min in the presence of NAD at pH 7.8 at 30 °C.

Physical form

Suspension in 2.7 M (NH4)2SO4 solution containing 42 mM Tris and 0.8 mM MgCl2

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

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Certificate of Origin

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Protocols & Articles

Articles

Ammonium Sulfate Suspensions - Technical Note

Note that for an ammonium sulfate suspension, most of the enzyme will be in solid form. It is likely that only negligible amounts of enzyme will be in the ammonium sulfate solution.
Keywords: Enzyme activity

Protocols

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

To standardize a procedure for the enzymatic determination of Glucose-6-Phosphate Dehydrogenase.
Keywords: Extinction coefficient

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Metabolomics, Molecular biology

Peer-Reviewed Papers
15

References

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