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Human Fc epsilon RI alpha Protein, His Tag (MALS verified)

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  • Synonym
    FCER1A,FCE1A,FcERI
  • Source
    Human Fc epsilon RI alpha, His Tag(FCA-H5228) is expressed from human 293 cells (HEK293). It contains AA Val 26 - Gln 205 (Accession # P12319-1).
    Predicted N-terminus: Val 26
  • Molecular Characterization
    Fc epsilon RI alpha Structure

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 22.9 kDa. The protein migrates as 37-55 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 12 months under sterile conditions after reconstitution.
SDS-PAGE
Fc epsilon RI alpha SDS-PAGE

Human Fc epsilon RI alpha, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).

SEC-MALS
Fc epsilon RI alpha MALS images

The purity of Human Fc epsilon RI alpha, His Tag (Cat. No. FCA-H5228) is more than 90% and the molecular weight of this protein is around 37-55 kDa verified by SEC-MALS.

Bioactivity-ELISA
 Fc epsilon RI alpha ELISA

Immobilized Immunoglobulin E, Human Plasma at 5 μg/mL (100 μL/well) can bind Human Fc epsilon RI alpha, His Tag (Cat. No. FCA-H5228) with a linear range of 0.4-3 ng/mL (QC tested).

Bioactivity-BLI
 Fc epsilon RI alpha BLI

Loaded Human Fc epsilon RI alpha, His Tag (Cat. No. FCA-H5228) on AR2G Biosensor, can bind Immunoglobulin E, Human Plasma with an affinity constant of 2.71 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

  • Background
    High affinity immunoglobulin epsilon receptor subunit alpha (FCER1A) is also known as Fc-epsilon RI-alpha (FcERI), IgE Fc receptor subunit alpha, FCE1A. FCER1A contains two Ig-like (immunoglobulin-like) domains. FCER1A binds to the Fc region of immunoglobulins epsilon and is a high affinity receptor. FCER1A is responsible for initiating the allergic response, which binding of allergen to receptor-bound IgE leads to cell activation and the release of mediators (such as histamine) responsible for the manifestations of allergy. The same receptor also induces the secretion of important lymphokines. FCER1A plays a central role in allergic disease, coupling allergen and mast cell to initiate the inflammatory and immediate hypersensitivity responses that are characteristic of disorders such as hay fever and asthma.
  • Clinical and Translational Updates

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Price(EUR) : €270.00

Price(EUR) : €1750.00

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Drug Development Status

  • Number of Launched Drugs:1 Details
  • Number of Drugs in Clinical Trials:0 Details
  • Latest Research Phase:Approved

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