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Mouse FCER2A ORF mammalian expression plasmid, C-His tag

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Mouse FCER2 cDNA Clone Product Information
Gene_bank_ref_id:NM_013517.4
RefSeq ORF Size:996bp
cDNA Description:Full length Clone DNA of Mus musculus Fc receptor, IgE, low affinity II, alpha polypeptide with C terminal His tag.
Gene Synonym:CD23, Fce2, Fcer2, Ly-42, Fcer2a
Species:Mouse
Vector:pCMV3-C-His
Plasmid:
Restriction Site:
Tag Sequence:His Tag Sequence: CACCATCACCACCATCATCACCACCATCAC
Sequence Description:
Sequencing primers:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Kanamycin
Antibiotic in mammalian cell:Hygromycin
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room temperature for three months.
His Tag Info

A polyhistidine-tag is an amino acid motif in proteins that consists of at least five histidine (His) residues, often at the N- or C-terminus of the protein.

Polyhistidine-tags are often used for affinity purification of polyhistidine-tagged recombinant proteins expressed in Escherichia coli and other prokarfyotic expression systems.

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Background

Fc fragment of IgE, low affinity II, receptor for (CD23) or CD23 antigen is a member of the cluster of differentiation family. The cluster of differentiation (cluster of designation) (often abbreviated as CD) is a protocol used for the identification and investigation of cell surface molecules present on white blood cells initially but found in almost any kind of cell of the body, providing targets for immunophenotyping of cells. Physiologically, CD molecules can act in numerous ways, often acting as receptors or ligands (the molecule that activates a receptor) important to the cell. A signal cascade is usually initiated, altering the behavior of the cell (see cell signaling). Some CD proteins do not play a role in cell signaling, but have other functions, such as cell adhesion. CD23/FCER2 is a B-cell specific antigen, and a low-affinity receptor for IgE. It has essential roles in B cell growth and differentiation, and the regulation of IgE production. This protein also exists as a soluble secreted form, then functioning as a potent mitogenic growth factor. Increased levels of soluble CD23/FCER2 cause the recruitment of non-sensitised B-cells in the presentation of antigen peptides to allergen-specific B-cells, therefore increasing the production of allergen specific IgE. IgE, in turn, is known to upregulate the cellular expression of CD23 and Fc epsilon RI (high-affinity IgE receptor).

References
  • Aubry JP, et al. (1992) CD21 is a ligand for CD23 and regulates IgE production. Nature. 358(6386): 505-7.
  • Punnonen J, et al. (1993) Interleukin 13 induces interleukin 4-independent IgG4 and IgE synthesis and CD23 expression by human B cells. Proc Natl Acad Sci U S A. 90(8): 3730-4.
  • Yu P, et al. (1994) Negative feedback regulation of IgE synthesis by murine CD23. Nature. 369(6483): 753-6.
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    Catalog: MG50695-CH
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