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CD23 Protein, Human, Recombinant (His)

产品编号 TMPY-02293

别名: MGC40078, CLEC6, MCL, BLAST-2, CD23A, IGEBF, FCE2, MPCL, CLEC4J, CLECSF8, Fc fragment of IgE receptor II, CD23, CLEC-6

CD23 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 33.2 kDa and the accession number is P06734-1.

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CD23 Protein, Human, Recombinant (His)

规格	价格/CNY		货期	数量
100 μg	￥ 3,820		5日内发货
1 mg	￥ 24,900		5日内发货

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生物活性	Testing in progress
产品描述	CD23 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 33.2 kDa and the accession number is P06734-1.

种属	Human
表达系统	HEK293 Cells
标签	N-His
蛋白编号	P06734-1
别名	MGC40078, CLEC6, MCL, BLAST-2, CD23A, IGEBF, FCE2, MPCL, CLEC4J, CLECSF8, Fc fragment of IgE receptor II, CD23, CLEC-6
蛋白构建	The Human CD23 isoform 2 (P06734-1) extracellular domain (Asp 48-Ser 321) was expressed, with a polyhistidine tag at the N-terminus.
蛋白纯度	> 96 % as determined by SDS-PAGE
分子量	33.2 kDa (predicted)

内毒素	< 1.0 EU/μg of the protein as determined by the LAL method.
缓冲液	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
复溶方法	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
存储	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
运输方式	In general, Lyophilized powders are shipping with blue ice.
研究背景	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).

参考文献

1. Aubry JP, et al. (1992) CD21 is a ligand for CD23 and regulates IgE production. Nature. 358(6386): 505-7. 2. 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. 3. Yu P, et al. (1994) Negative feedback regulation of IgE synthesis by murine CD23. Nature. 369(6483): 753-6.

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Keywords

CD23 Protein, Human, Recombinant (His) MGC40078 CLEC6 CLECSF 8 MCL BLAST-2 CD23A MGC 40078 CD 23 CLEC 6 IGEBF FCE2 MPCL CLEC4J BLAST 2 MGC-40078 CLECSF8 Fc fragment of IgE receptor II CLECSF-8 CD-23 BLAST2 FCE-2 CD23 FCE 2 CLEC-6 recombinant recombinant-proteins proteins protein

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