Detection of B220/CD45R in Mouse Splenocytes by Flow Cytometry.
Mouse splenocytes were stained with Rat Anti-Mouse CD3 APC‑conjugated Monoclonal Antibody (Catalog # FAB4841A) and either (A) Rat Anti-Mouse B220/CD45R Alexa Fluor® 405‑conjugated Monoclonal Antibody (Catalog # FAB1217V) or (B) Rat IgG2A Alexa Fluor 405 Isotype Control (Catalog # IC006V). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
B220 is the mouse CD45 isoform CD45R, which is predominantly expressed on all B lymphocytes, including pro-, mature and activated B cells. The level of B220 antigen expression on cells of the B cell lineage is developmentally regulated, and the antibody described here is commonly used to identify this B cell marker. RA3-6B2 has been reported to inhibit in vivo B cell responses. The extracellular region of mouse B220 shares 41% amino acid sequence identity with the extracellular region of human CD45.
Cluster of Differentiation 45
Entrez Gene IDs:
5788 (Human); 19264 (Mouse); 24699 (Rat)
B220; CD45 antigen; CD45R; EC 22.214.171.124; L-CA; LY5; protein tyrosine phosphatase, receptor type, C; receptor-type tyrosine-protein phosphatase C; T200 glycoprotein; T200 leukocyte common antigen; T200receptor type, c polypeptide
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