Fagus Antibody Services

Recombinant Human FcERI/FCER1A Protein (His Tag)

£585.60£5,875.00 excluding VAT

SKU FAS-030706-P Category Tag

FcERI, also known as FCER1A, is the alpha subunit of the immunoglobulin epsilon receptor (IgE receptor). IgE receptor is a high affinity IgE receptor which 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. The allergic response occurs when 2 or more IgE receptors are crosslinked via IgE molecules that in turn are bound to an allergen (antigen) molecule. A perturbation occurs that brings about the release of histamine and proteases from the granules in the cytoplasm of the mast cell and leads to the synthesis of prostaglandins and leukotrienes–potent effectors of the hypersensitivity response. IgE receptor is comprised of an alpha subunit(FcERI), a beta subunit, and two gamma subunits. FcERI is glycosylated and contains 2 Ig-like (immunoglobulin-like) domains.


100µg, 1mg

Active Protein
Protein Construction

A DNA sequence encoding the human FCER1A (P12319) (Met1-Gln205) was expressed with a polyhistidine tag at the C-terminus.


Met 1-Gln205

Fusion Tag






Expressed Host

HEK293 Cells


This product is provided as lyophilized powder which is shipped with ice packs.


> 95 % as determined by reducing SDS-PAGE.


< 1.0 EU per µg as determined by the LAL method.

Stability and Storage

Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.

Mol Mass

24.5 kDa

AP Mol Mass

42-48 kDa


Lyophilized from sterile PBS, pH 7.4

Research Areas



Please refer to the printed manual for detailed information.

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