The CD19, clone D5, PerCP-Cy®5.5 conjugate is a rat monoclonal antibody (mAb) that recognizes the mouse CD19 antigen. The PerCP-Cy®5.5 tandem conjugate combines the peridinin-chlorophyll proteins (PerCP) complexes, found in nature, with the Cy®5.5 cyanine dye; thereby permitting simultaneous multicolor labeling and detection of multiple targets by utilizing a single excitation source – the 488 nm line of an argon-ion laser.


Specific for CD19
CD19, also known as B lymphocyte antigen, is a glycoprotein belonging to the immunoglobulin (Ig) superfamily. It is an important marker for B cell development. CD19 is present from early B cell progenitors to B cell blasts, but is lost upon maturation to plasma cells. For activation of mature B cells, CD19 is important as a co-receptor protein in the B cell co-receptor complex, which includes CD21 (CR2) and CD81 (TAPA-1). CD19 is also expressed by follicular dendritic cells.

For Research Use Only
Not intended for human or animal therapeutic or diagnostic use.

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