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G8404

Sigma-Aldrich

Glucose-6-phosphate Dehydrogenase from Leuconostoc mesenteroides

recombinant, expressed in E. coli, ammonium sulfate suspension, ≥550 units/mg protein (biuret)

Synonym(s):

Entner-Doudoroff enzyme, G6PD, G6PDH, NADP glucose 6-phosphate dehydrogenase, G-6-P-DH

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

bacterial (Leuconostoc mesenteroides)

Quality Level

recombinant

expressed in E. coli

form

ammonium sulfate suspension

specific activity

≥550 units/mg protein (biuret)

mol wt

128 kDa

storage condition

(Tightly closed)

technique(s)

cell culture | mammalian: suitable

UniProt accession no.

foreign activity

creatine phosphokinase, glutathione reductase, myokinase, NADH oxidase, NADPH oxidase, phosphoglucomutase, 6-phosphogluconic dehydrogenase, phosphoglucose isomerase, lactic dehydrogenase, hexokinase ≤0.01%

storage temp.

2-8°C

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General description

Glucose 6-phosphate dehydrogenase (G-6-P-DH) is a key regulatory enzyme in the first step of the pentose phosphate pathway. G-6-P-DH is a glycoprotein with a molecular mass of 128 kDa (gel filtration).G6PD is a dimer and consists of a single active site at each subunit.

Research area: Cell Signaling

Application

Glucose-6-phosphate dehydrogenase has been used:

  • to test ketose reductase activity in developing maize endosperm.
  • to determine the levels of mannose in coronary heart disease patient-derived serum
  • to study its activity on extracellular polymeric substance (EPS) extract to determine cell lysis through sonication
  • to determine the glucose uptake in cultured human muscle satellite cells

Biochem/physiol Actions

G6PD provides all cells with reducing power as nicotinamide adenine dinucleotide phosphate (NADPH) which enables the cells to balance oxidative stress. Mutations in the G6PD gene are associated with X-linked G6PD deficiency, a hereditary genetic defect such as neonatal jaundice and acute hemolytic anemia.
Glucose-6-phosphate dehydrogenase (G6PD) catalyzes the conversion of glucose-6-phosphate to 6-phosphogluconolacetone as the first step in the pentose phosphate 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 3.2 M (NH4)2SO4 containing 50 mM Tris and 1 mM MgCl2, pH 7.5

Other Notes

The volume is lot specific and can be calculated using the data:
For example, lot 0000114274
Units per mg Protein = 846
Mg Protein per mL - 9
Units per mL = 7614
G8404-1000U = approx 132 ul

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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