B220/CD45R Antibody (IVA103)


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Product Details

Reactivity BvSpecies Glossary
Applications Flow, IP
1 mg/ml

B220/CD45R Antibody (IVA103) Summary

Bovine leukocytes.
The antibody IVA103 reacts with CD45R antigen (bovine), a single chain type I transmembrane glycoprotein (member of the protein tyrosine phosphatase family), a restricted form of the CD45 family. CD45R is an essential regulator of T and B lymphocytes antigen receptor signaling and it is specifically expressed in hematopoietic cells.
Protein A purified
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Packaging, Storage & Formulations

Store at 4C. Do not freeze.
PBS [pH 7.4]
15mM Sodium Azide
1 mg/ml
Protein A purified

Alternate Names for B220/CD45R Antibody (IVA103)

  • B220
  • CD45 antigen
  • CD45R
  • EC
  • 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


CD45R is a member of the protein tyrosine phosphatase (PTP) family and a major cell surface glycoprotein. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. CD45R represents a restricted form of the CD45 family which primarily recognizes only cells of B lineage from proB cell through mature B lymphocytes and, prior to the availability of anti CD19 MAbs, was commonly used as a pan B cell marker. It also reacts with certain activated T cells, as well as non MHC restricted lytically active lymphokine activated killer (LAK) cells. CD45R contains an extracellular domain, a single transmembrane segment and two tandem intracytoplasmic catalytic domains. It is specifically expressed in hematopoietic cells and has been shown to be an essential regulator of T and B cell antigen receptor signaling. It functions through either direct interaction with components of the antigen receptor complexes, or by activating various Src family kinases required for the antigen receptor signaling. CD45R also suppresses JAK kinases, and thus functions as a regulator of cytokine receptor signaling. Four alternatively spliced transcripts variants of this gene, which encode distinct isoforms, have been reported.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies


Isotype Controls

Other Available Formats

Alexa Fluor (R) 405 Labeled NB500-492AF405
Alexa Fluor (R) 488 Labeled NB500-492AF488
Alexa Fluor (R) 647 Labeled NB500-492AF647
Alexa Fluor (R) 700 Labeled NB500-492AF700
Allophycocyanin Labeled NB500-492APC
DyLight 350 Labeled NB500-492UV
DyLight 405 Labeled NB500-492V
DyLight 405LS Labeled NB500-492V3
DyLight 488 Labeled NB500-492G
DyLight 680 Labeled NB500-492FR
DyLight 755 Labeled NB500-492IR
PE Labeled NB500-492PE
PerCP Labeled NB500-492PCP

Additional B220/CD45R Antibody (IVA103) Products

B220/CD45R NB500-492

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Gene Symbol PTPRC

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