Proteintech

CD45 Monoclonal Antibody (OX1), PE

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Product Details

PE-65228

Applications
Tested Dilution
Publications

Flow Cytometry (Flow)

Assay-dependent
-
Product Specifications

Species Reactivity

Rat

Host/Isotype

Mouse / IgG1, kappa

Class

Monoclonal

Type

Antibody

Clone

OX1

Immunogen

fusion protein

Conjugate

PE PE PE

Excitation/Emission Max

565/576 nm View spectra spectra

Form

Liquid

Concentration

0.2 mg/mL

Purification

Affinity chromatography

Storage buffer

PBS with 0.5% BSA

Contains

0.1% sodium azide

Storage conditions

4°C, store in dark

Shipping conditions

Wet ice

Target Information

CD45 (LCA, leukocyte common antigen) is a receptor-type protein tyrosine phosphatase (PTP) ubiquitously expressed in all nucleated hematopoietic cells, comprising approximately 10% of all surface proteins in lymphocytes. CD45 is absent on non-hematopoietic cell lines, normal and malignant, non-hematopoietic tissues. CD45 glycoprotein is crucial in lymphocyte development and antigen signaling, serving as an important regulator of Src-family kinases. CD45 protein exists as multiple isoforms as a result of alternative splicing, differ in their extracellular domains but share identical transmembrane and cytoplasmic domains. CD45RA is an isoform of the CD45 complex and has restricted expression between different subtypes of lymphoid cells. CD45 isoforms differ in their ability to translocate into the glycosphingolipid-enriched membrane domains and their expression depends on cell type and physiological state of the cell. CD45 has been shown to be an essential regulator of T- and B-cell antigen receptor signaling and suppresses JAK kinases to regulate cytokine receptor signaling. CD45 is also important in promoting cell survival by modulating integrin-mediated signal transduction pathway, DNA fragmentation during apoptosis and inhibition or upregulation of various immunological functions.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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Bioinformatics

Protein Aliases: CD45; L-CA; leucocyte common antigen; Leukocyte common antigen; leukocyte common antigen A; leukocyte common antigen B; Protein tyrosine phosphatase, receptor-type, c polypeptide; Receptor-type tyrosine-protein phosphatase C; T200; T200 glycoprotein; T220 and B220

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Gene Aliases: CD45; L-CA; Lca; Ptprc; RT7; T200

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UniProt ID: (Rat) P04157

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Entrez Gene ID: (Rat) 24699

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Function(s)
protein tyrosine phosphatase activity transmembrane receptor protein tyrosine phosphatase activity protein binding heparin binding protein kinase regulator activity protein kinase binding heparan sulfate proteoglycan binding extracellular matrix protein protein phosphatase protein modifying enzyme
Process(es)
activation of MAPK activity negative regulation of T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity negative regulation of cytokine-mediated signaling pathway hematopoietic progenitor cell differentiation immunoglobulin biosynthetic process positive regulation of T cell mediated immunity regulation of humoral immune response mediated by circulating immunoglobulin positive regulation of humoral immune response mediated by circulating immunoglobulin negative regulation of protein kinase activity protein dephosphorylation negative regulation of cell adhesion involved in substrate-bound cell migration leukocyte cell-cell adhesion response to gamma radiation dephosphorylation B cell differentiation T cell differentiation positive regulation of B cell proliferation negative regulation of protein autophosphorylation heterotypic cell-cell adhesion peptidyl-tyrosine dephosphorylation T cell proliferation B cell proliferation positive regulation of T cell proliferation positive regulation of MAPK cascade cell cycle phase transition positive thymic T cell selection negative thymic T cell selection regulation of B cell differentiation positive regulation of T cell differentiation positive regulation of gamma-delta T cell differentiation positive regulation of alpha-beta T cell proliferation positive regulation of isotype switching to IgG isotypes bone marrow development stem cell development negative regulation of peptidyl-tyrosine phosphorylation T cell receptor signaling pathway B cell receptor signaling pathway regulation of B cell receptor signaling pathway positive regulation of antigen receptor-mediated signaling pathway release of sequestered calcium ion into cytosol defense response to virus regulation of cell cycle positive regulation of hematopoietic stem cell migration positive regulation of stem cell proliferation regulation of extrinsic apoptotic signaling pathway positive regulation of extrinsic apoptotic signaling pathway
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