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CD4 Human （125-202）/ 重组人CD4 （125-202）

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CD4 Human (125-202)/ 重组人CD4 (125-202) 产品编号：CYT-315
产品规格：5μg/20μg/1mg

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CD4 Human （125-202）/ 重组人CD4 （125-202）

产品编号：CYT-315
产品规格：5μg/20μg/1mg

Synonyms	gp55, HLA-2, L3 / T4, Ly-4, T cell antigen T4/LEU3, T4, sCD4.
Introduction	CD4, a single chain transmembrane glycoprotein, is found on a T cell subset （helper/inducer） representing 45% of peripheral blood lymphocytes. It is also present on 80% of thymocytes and at a lower level on monocytes. It is involved in recognition of antigen presented along with MHC class II by APCs. It serves as receptor for HIV. Antibody to CD4 recognizes T-helper cells required for recognition of class II antigens. It reacts with ~60% of peripheral blood E rosette-positive （E+） cells while showing negligible reactivity with E- cells, monocytes, granulocytes, EBV-transformed B cell lines, and mouse splenocytes.
Description	CD-4 Human Recombinant is fused with a 4kDa His Tag and encoding amino acids 125-202, having a total molecular weight of 19 kDa.
Source	Escherichia Coli.
Physical Appearance	Sterile lyophilized powder.
Formulation	Each mg contains 1X PBS.
Solubility	It is recommended to reconstitute the lyophilized CD-4 （125-202） in sterile 18MΩ-cm H2O not less than 100μg/ml, which can then be further diluted to other aqueous solutions.
Stability	Store vial at -20oC to -80oC. When stored at the recommended temperature, this protein is stable for 12 months. Please avoid freeze-thaw cycles.
Purity	Greater than 90% as determined by SDS-PAGE.
Applications	? Protein Assay. ? Antibody Production. ? Western Blotting.
Usage	ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.