Human GDF15 Protein (GDF-HE115)

  • Express System: E.coli
  • Product Tag: N-His
  • Purity: > 95% as determined by Tris-Bis PAGE
  • Activity: Immobilized Human GDF15, His Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Human GFRAL, hFc Tag with the EC50 of 22.8ng/ml determined by ELISA. The affinity constant of 0.014 nM as determined in SPR assay (Biacore T200). See testing image for detail.
  • Exact Sequence: Ala197-Ile308

Catalog: GDF-HE115

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Product Description Recombinant Human GDF15 Protein is expressed from E.coli with His tag at the N-terminal.It contains Ala197-Ile308.
Product Category Recombinant Protein
Target GDF15
Synonyms GDF-15; MIC-1; NAG-1; PDF; PLAB; PTGFB; GDF15; MIC1; RG-1; Placental TGF-beta; PTGF-beta; PTGFBPTGF-beta
Gene/Protein ID Q99988-1
Species Human
Exact Sequence Ala197-Ile308
Molecular Weight The protein has a predicted MW of 13.5 kDa. The protein migrates to 15-16 kDa based on Tris-Bis PAGE result.
Activity Immobilized Human GDF15, His Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Human GFRAL, hFc Tag with the EC50 of 22.8ng/ml determined by ELISA. The affinity constant of 0.014 nM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag N-His
Express System E.coli
Purity > 95% as determined by Tris-Bis PAGE
Endotoxin Less than 1EU per μg by the LAL method.
Form Lyophilized
Shipping Shipped at ambient temperature.
Formulation Lyophilized from 0.22μm filtered solution in 50mM HAc (pH 2.9). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in 50mM HAc (pH 2.9).
Stability And Storage Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Human GFRAL, hFc Tag captured on CM5 Chip via Protein A can bind Human GDF15, His Tag with an affinity constant of 0.014 nM as determined in SPR assay (Biacore T200).
Immobilized Human GDF15, His Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Human GFRAL, hFc Tag with the EC50 of 22.8ng/ml determined by ELISA.
Serial dilutions of Anti-GDF15 Antibody were added into Human GDF15, His Tag : Biotinylated Human GFRAL, His Tag binding reactioins. The half maximal inhibitiory concentration (IC50) is 40.8ng/ml.
Human GDF15 on Tris-Bis PAGE under reduced (R) condition and Non reducing (N) condition. The purity is greater than 95%.

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