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LE/AF Purified Anti-Mouse CD45R (B220) Monoclonal Antibody
CD45R, also known as B220, is an isoform of CD45. It is a member of the protein tyrosine phosphatase (PTP) family with a molecular weight of approximately 180-240 kD. CD45R is expressed on B cells (at all developmental stages from pro-B cells through mature B cells), activated B cells, and subsets of T and NK cells. CD45R (B220) is also expressed on a subset of abnormal T cells involved in the pathogenesis of systemic autoimmunity in MRL-Faslpr and MRL-Fasgld mice. It plays a critical role in TCR and BCR signaling. The primary ligands for CD45 are galectin-1, CD2, CD3, and CD4. CD45R is commonly used as a pan-B cell marker; however, CD19 may be more appropriate for B cell specificity.
FCMIHC,IP,Activ
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
This RA3-6B2 antibody has been reported for use in Flow Cytometric Analysis, Immunohistochemical and Immunoprecipitation. It has also been reported for use in cell activation.
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