CD21 is a 145 kD transmembrane protein also known as complement C3d receptor (C3dR), complement receptor 2 (CR2), and Epstein-Barr virus receptor. CD21 is expressed on B cells, follicular dendritic cells, subsets of normal thymocytes and T cells, and some epithelial cells. CD21 is the receptor used by Epstein-Barr virus to infect B cells and is also the complement receptor for C3d. CD21 has also been shown to interact with a number of proteins, including CD23, CD19, annexin VI, CD81, iC3b, complement receptor 1 (CR1, CD35), and interferon-alpha 1 (IFN-α1).

推荐稀释比 FC:5μL per test for million cells or whole blood in 100 μL volume.

Flow Cytometry analysis of Human peripheral blood lymphocytes stained with AF488 CD21 antibody (filled gray histogram). Unstained lymphocytes (empty black histogram) are used as control.

-25 ~ -15℃保存，收到货之后有效期1年，避免反复冻融。