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| Product Name | CD21, Recombinant, Human, aa21-971, His-Tag |
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| Description | Purity ~95% (SDS-PAGE). CD21 is expressed strongly on mature B cells, follicular dendtritic cells and weakly on immature thymocytes and T lymphocytes. In B-cell ontogeny, CD21 appears after the pre-B-stage, is maintained during peripheral B-cell development and is lost upon terminal differentiation into plasma cells. CD21 expression is also gradually lost after stimulation of B cells in vitro. CD21 functions as receptor for C3d, C3dg and iC3b Complement components, for EBV and for IFN-alpha. CD21 binds to CD23 and associates with CD19, CD81 and Leu13 to form a large signal-transduction complex involved in B cell activation. Source: Recombinant protein corresponding to aa21-971 from human CD21, fused to his-tag, expressed in CHO cells. Molecular Weight: ~135kD Applications: Suitable for use as Positive Control for ELISA and Western Blot. |
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| Size | 2ug |
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| Concentration | n/a |
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| Applications | ELISA WB |
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| Other Names | CD21, Recombinant, Human, aa21-971, His-Tag (Complement Receptor Type 2, Cr2, Complement C3d Receptor, Epstein-Barr Virus Receptor, EBV receptor, CD21 antigen, CR2, C3DR, SLEB9) |
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| Gene, Accession, CAS # | SwissProt: P20023 |
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| Catalog # | 208778 |
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| Order / More Info | CD21, Recombinant, Human, aa21-971, His-Tag from UNITED STATES BIOLOGICAL |
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| Product Specific References | n/a |
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