CD21, also known as complement receptor 2 (CR2), is a 145 kDa transmembrane protein that contains 15 tandem SCR/SUSHI repeats. CD21 is primarily expressed on B cells, follicular dendritic cells, and T cells. It binds the complement component fragments iC3b, C3d, and C3d,g and forms complexes with CD19 and CD35. CD21 is required for germinal center development, antibody production, and B cell tolerance. It also functions as a cellular uptake receptor for Epstein-Barr virus.
Mouse CD21 (NP_031784.1) VersaClone cDNA
R&D Systems | Catalog # RDC2978
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Background: CD21
Alternate Names
C3DR, CD21, CR2
Gene Symbol
CR2
UniProt
Additional CD21 Products
Product Documents for Mouse CD21 (NP_031784.1) VersaClone cDNA
Certificate of Analysis
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Product Specific Notices for Mouse CD21 (NP_031784.1) VersaClone cDNA
For research use only
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