Recombinant CD21 Antibody
Recognizes a protein of 140kDa, which is identified as the complement receptor 2 (CR2) or CD21. This protein is expressed strongly on mature B cells, follicular dendritic 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 IFNalpha. CD21 binds to CD23 and associates with CD19, CD81 and Leu13 to form a large signal-transduction complex involved in B cell activation.
Product Specifications
CAS Number
9007-83-4
Specifications
Immunohistochemistry (FFPE) : 1-2 µg/mL for 30 min at RT
UniProt
P20023
Host
Mouse
Reactivity
Human
Immunogen
Clonality
Monoclonal
Isotype
IgG1 k
Clone
RCR2/6964
Applications
IHC-P
Purity
Protein A/G affinity
Format
Purified
Buffer
1 mg/ml in 1X PBS; BSA free, sodium azide free
Reconstitution
Aliquot the recombinant CD21 antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
Limitations
This recombinant CD21 antibody is available for research use only.
Storage Conditions
Aliquot the recombinant CD21 antibody and store frozen at -20°C or colder. Avoid repeated freeze-thaw cycles.
Formulation
1 mg/mL in 1X PBS; BSA free, sodium azide free
Applications Notes
Optimal dilution of the recombinant CD21 antibody should be determined by the researcher.
Location
Cell surface
Image Legend
Frequently Asked Questions
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