Biotinylated Human IgE Protein (IGE-HM401B)
Biotinylated Human IgE Protein (IGE-HM401B)
  • Express System: HEK293
  • Product Tag: C-His-Avi
  • Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
  • Activity: Immobilized Biotinylated Human IgE, His Tag at 0.5ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Anti-IgE Antibody, hFc Tag with the EC50 of 5.0ng/ml determined by ELISA. See testing image for detail.
  • Amino Acid Range: Cys209-Lys428
Catalog #IGE-HM401B
Regular price $525.00
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Product Description
Recombinant Biotinylated Human IgE Protein is expressed from HEK293 with His and Avi tag at the C-Terminus.It contains Cys209-Lys428.
Product Background
Immunoglobulin E (IgE) is well known for its role in allergic disease, the manifestations of which are mediated through its two Fc receptors, FcεRI and CD23 (FcεRII). IgE and its interactions with these receptors are therefore potential targets for therapeutic intervention, and exciting progress has been made in this direction. Furthermore, recent structural studies of IgE-Fc, the two receptors, and of their complexes, have revealed a remarkable degree of plasticity at the IgE-CD23 interface and an even more remarkable degree of dynamic flexibility within the IgE molecule.
Product Category
Recombinant Protein
Target
IgE
Synonyms
Ig epsilon chain C region;IgE
Accession
Species
Human
Biotinylated
yes
Amino Acid Range
Cys209-Lys428
Molecular Weight
The protein has a predicted MW of 27.8 kDa. Due to glycosylation, the protein migrates to 32-38 kDa based on Bis-Tris PAGE result.
Activity
Immobilized Biotinylated Human IgE, His Tag at 0.5ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Anti-IgE Antibody, hFc Tag with the EC50 of 5.0ng/ml determined by ELISA. See testing image for detail.
Product Tag
C-His-Avi
Express System
HEK293
Purity
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin
Less than 1EU per ug by the LAL method.
Form
Lyophilized
Shipping
Shipped at ambient temperature.
Formulation
Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
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.
Immobilized Biotinylated Human IgE, His Tag at 0.5ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Anti-IgE Antibody, hFc Tag with the EC50 of 5.0ng/ml determined by ELISA.
Biotinylated Human IgE on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
The purity of Biotinylated Human IgE is greater than 95% as determined by SEC-HPLC.

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