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LE/AF Purified Anti-Mouse CD45RB Monoclonal Antibody
CD45RB is an isoform of CD45 with exon 5 splicing (encodes B determinant). It is a 220 kD glycoprotein expressed on peripheral B cells, naïve T cells, thymocytes, weakly on macrophages, and dendritic cells. It plays a critical role in TCR and BCR signaling. As T cells become activated and progress from naïve to memory cells, CD45RB expression is downregulated. Additionally, functionally distinct CD4+ T cell subsets, which secrete differing cytokine profiles, can be separated by CD45RB intensity. The primary ligands for CD45 are galectin-1, CD2, CD3, CD4 and Thy-1.
FCM
Mouse
Liquid
Keep as concentrated solution. Store at 4°C as an undiluted liquid. For extended storage aliquot contents and freeze at-20°C or lower. Avoid cycles of freezing and thawing.
PBS, pH 7.2
1mg/ml, >95% (by SDS-PAGE)
Rat IgG2a
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