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Catalog Number | orb1824258 |
---|---|
Category | Antibodies |
Description | CD21 also known as complement C3d receptor, Epstein-Barr virus receptor, and complement receptor type 2 (CR2), is a protein that in humans is encoded by the CR2 gene. This protein is involved in the complement system. It binds to iC3b (inactive derivative of C3b), C3dg, or C3d. B cells have CR2 receptors on their surfaces, allowing the complement system to play a role in B-cell activation and maturation. It is expressed by follicular dendritic cells (FDC) and mature B cells, as well as by several types of epithelial cells. CD21 is useful in the identification of follicular dendritic cell matrix found in normal lymph node and tonsillar tissue, and also useful in identifying abnormal. |
Species/Host | Rabbit |
Clonality | Recombinant |
Clone Number | CR2/8880R |
Tested applications | IHC-P |
Reactivity | Human |
Isotype | Rabbit IgG, kappa |
Immunogen | A recombinant partial protein sequence (within amino acids 1-200) from the human protein was used as the immunogen for the CD21 antibody. |
Dilution range | Immunohistochemistry (FFPE): 1-2ug/ml for 30 min at RT |
Conjugation | Unconjugated |
Formula | 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide |
Hazard Information | This CD21 antibody is available for research use only. |
UniProt ID | P20023 |
Storage | Aliquot the CD21 antibody and store frozen at -20°C or colder. Avoid repeated freeze-thaw cycles. |
Note | For research use only |
Expiration Date | 12 months from date of receipt. |
IHC staining of FFPE human tonsil tissue with CD21 antibody (clone CR2/8880R). HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.
IHC staining of FFPE human tonsil tissue with CD21 antibody (clone CR2/8880R). Inset: PBS used in place of primary Ab (secondary Ab negative control). HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.
SDS-PAGE analysis of purified, BSA-free CD21 antibody (clone CR2/8880R) as confirmation of integrity and purity.
FACS, IF | |
Human | |
Mouse | |
Monoclonal | |
Unconjugated |
FACS, Functional Studies, IF, IHC-P, WB | |
Human, Mouse, Rat | |
Mouse | |
Monoclonal | |
Unconjugated |
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