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Invitrogen™ CD45 Monoclonal Antibody (CD45-2B11), Alexa Fluor™ Plus 647

Catalog No. 756945794
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75-694-5794 500 μL
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Catalog No. 75-694-5794 Supplier Invitrogen™ Supplier No. 756945794
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Description

Mouse Monoclonal Antibody

Description: The CD45-2B11 monoclonal antibody reacts with human CD45, also known as Leukocyte Common Antigen (LCA). CD45 is expressed by all hematopoietic cells excluding circulating erythrocytes and platelets. The cytoplasmic portion of CD45 has tyrosine phosphatase enzymatic activity and plays an important role in lymphocyte proliferation and differentiation. The 2B11 antibody is useful for recognition of normal and neoplastic lymphoid cells. Applications Reported: This CD45-2B11 antibody has been reported for use in flow cytometric analysis, immunoblotting, immunohistochemical staining of formalin-fixed paraffin embedded tissue sections, and immunocytochemistry. Applications Tested: This CD45-2B11 antibody has been tested by immunohistochemistry on formalin-fixed paraffin embedded human tissue using low pH antigen retrieval and can be used at 20 μg/mL. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. Using conjugate solutions: Centrifuge the protein conjugate solution briefly in a microcentrifuge before use; add only the supernatant to the experiment. This step will help eliminate any protein aggregates that may have formed during storage, thereby reducing nonspecific background staining.

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.
TRUSTED_SUSTAINABILITY

Specifications

Antigen CD45
Applications Immunohistochemistry (Paraffin), Multiplex Immunohistochemistry
Classification Monoclonal
Clone CD45-2B11
Concentration 0.2 mg/mL
Conjugate Alexa Fluor Plus 647
Formulation PBS with 0.5% BSA, 10% proprietary stabilizer and 0.05% sodium azide; pH 7.2
Gene PTPRC
Gene Accession No. P08575
Gene Alias B220; cd45; CD45 antigen; CD45 antigen isoform 1 precursor; CD45 antigen isoform 2 precursor; CD45 antigen isoform 3 precursor; CD45 antigen isoform 4 precursor; CD45 antigen isoform 5 precursor; CD45 antigen isoform 6 precursor; CD45R; GP180; Lca; L-CA; leucocyte common antigen; leukocyte common antigen; leukocyte common antigen A; leukocyte common antigen B; leukocyte common antigen, CD45; loc; LOW QUALITY PROTEIN: receptor-type tyrosine-protein phosphatase C; LY5; Ly-5; lymphocyte antigen 5; lymphocyte common antigen; Lyt-4; membrane tyrosine phosphatase; protein tyrosine phosphatase lambda; protein tyrosine phosphatase receptor type C; protein tyrosine phosphatase, receptor type C; protein tyrosine phosphatase, receptor type, C; protein tyrosine phosphatase, receptor type, c polypeptide; Protein tyrosine phosphatase, receptor-type, c polypeptide; protein tyrosine phosphatase; alternatively spliced; Ptprc; Receptor-type tyrosine-protein phosphatase C; RT7; T200; T200 glycoprotein; T200 leukocyte common antigen; T220 and B220
Gene Symbols PTPRC
Host Species Mouse
Purification Method Affinity chromatography
Quantity 500 μL
Regulatory Status RUO
Primary or Secondary Primary
Gene ID (Entrez) 5788
Target Species Human
Content And Storage 4°C, store in dark
Product Type Antibody
Form Liquid
Isotype IgG1 κ
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