Recombinant Human G6PD His-tag Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 10096-DH

R&D Systems, part of Bio-Techne
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10096-DH-050
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Key Product Details

Source

E. coli

Accession #

P11413

Conjugate

Unconjugated

Applications

Enzyme Activity

View all G6PD Proteins and Enzymes »

Product Specifications

Source

E. coli-derived human G6PD protein
Ala2-Leu515, with C-terminal 6x His tag

Purity

>95%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

Predicted Molecular Mass

60 kDa

SDS-PAGE

56 kDa, reducing conditions

Activity

Measured by its ability to dehydrogenate glucose-6-phosphate.
The specific activity is >14,000 pmol/min/μg, as measured under the described conditions.

Formulation, Preparation and Storage

10096-DH
Formulation Supplied as a 0.2 μm filtered solution in Tris, NADP and Glycerol.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: G6PD

Glucose-6-phosphate dehydrogenase (G6PD) converts D-glucose 6-phosphate (G6P) into 6-phosphoglucono-delta -lactone and generate co-enzyme nicotinamide adenine dinucleotide phosphate (NADPH) (1). G6PD is the rate-limiting enzyme of the pentose phosphate pathway that supplies reducing energy to cells by maintaining the level of NADPH, which in turn maintains the level of glutathione in these cells that helps protect the red blood cells against oxidative damage from compounds like hydrogen peroxide (1, 2). More importantly, NADPH is used for biosynthesis of fatty acids or isoprenoids. G6PD is generally found as a dimer of two identical monomers (3). Depending on conditions, such as pH, these dimers can themselves dimerize to form tetramers. Each monomer in the complex has a substrate binding site that binds to G6P, and a catalytic coenzyme binding site that binds to NADP+/NADPH using the Rossman fold (4). Its activity is stimulated by the substrate G6P and NADP+. Clinically, genetic deficiency of G6PD predisposes a person to non-immune hemolytic anemia (5). G6PD is remarkable for its genetic diversity. Many variants of G6PD have been described with wide-ranging levels of enzyme activity and associated clinical symptoms. G6PD is frequently used as a coupling enzyme for measuring the enzymatic activity of glucose kinase (6).

References

  1. Au, S.W. et al. (2000). Structure 8:293.
  2. Thomas, D. et al. (1991). The EMBO Journal 10:547.
  3. Kiani, F. et al. (2007). PLOS One 2:e625.
  4. Kotaka, M. et al. (2005). Acta Crystallographica D 61:495.
  5. Cappellini, M.D. and Fiorelli, G. (2008). Lancet 371:64.
  6. Goward, C.R. et al. (1986) Biochemical Journal 237:415.

Long Name

Glucose-6-Phosphate Dehydrogenase

Alternate Names

G6PDH

Entrez Gene IDs

2539 (Human); 14381 (Mouse)

Gene Symbol

G6PD

UniProt

P11413

Additional G6PD Products

Product Documents for Recombinant Human G6PD His-tag Protein, CF

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Product Specific Notices for Recombinant Human G6PD His-tag Protein, CF

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