PTPRC Antibody

Datasheet
Code CSB-PA019049KA01HU
Product Type Rabbit Anti Human PolyClonal Antibody
Size US$398
Uniprot No. P08575
Image
  • Western blot analysis of extracts of various cell lines, using PTPRC antibody.
Protocols ELISA Protocol
Western Blotting(WB) Protocol
Immunohistochemistry (IHC) Protocol
Immunogen A synthetic peptide of Human PTPRC
Raised in Rabbit
Species Reactivity Human,Mouse,Rat
Tested Applications ELISA,WB,IHC;WB:1:500-1:2000,IHC:1:50-1:200
Relevance The protein phosphatase (PTP) receptor CD45 is a type I transmembrane protein comprised of a pair of intracellular tyrosine phosphatase domains and a variable extracellular domain generated by alternative splicing. The catalytic activity of CD45 is a function of the first phosphatase domain (D1) while the second phosphatase domain (D2) may interact with and stabilize the first domain, or recruit/bind substrates. CD45 interacts directly with antigen receptor complex proteins or activates Src family kinases involved in the regulation of T- and B-cell antigen receptor signaling. Specifically, CD45 dephosphorylates Src-family kinases Lck and Fyn at their conserved negative regulatory carboxy-terminal tyrosine residues and upregulates kinase activity. Conversely, studies indicate that CD45 can also inhibit Lck and Fyn by dephosphorylating their positive regulatory autophosphorylation site. CD45 appears to be both a positive and a negative regulator that conducts signals depending on specific stimuli and cell type. Human leukocytes including lymphocytes, eosinophils, monocytes, basophils and neutrophils express CD45, while erythrocytes and platelets are negative for CD45 expression.
Storage Buffer Store at -20°C or -80°C. Avoid freeze / thaw cycles. Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.
Purification Method Affinity purification
Isotype IgG
Alias PTPRC; B220; CD45; CD45R; GP180; LCA; LY5; T200
Immunogen Species Homo sapiens (Human)
Intended Use For research use only. Not for human, diagnostic or therapeutic use.
Target Names PTPRC
Storage Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Target Details This protein is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP contains an extracellular domain, a single transmembrane segment and two tandem intracytoplasmic catalytic domains, and thus belongs to receptor type PTP. This gene is specifically expressed in hematopoietic cells. This PTP 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. This PTP 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.
HGNC 9666
RGD 3451
MGI 97810
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Function Protein tyrosine-protein phosphatase required for T-cell activation through the antigen receptor. Acts as a positive regulator of T-cell coactivation upon binding to DPP4. The first PTPase domain has enzymatic activity, while the second one seems to affect the substrate specificity of the first one. Upon T-cell activation, recruits and dephosphorylates SKAP1 and FYN. Dephosphorylates LYN, and thereby modulates LYN activity (By similarity).
Involvement in disease Severe combined immunodeficiency autosomal recessive T-cell-negative/B-cell-positive/NK-cell-positive (T(-)B(+)NK(+) SCID); Multiple sclerosis (MS)
Subcellular Location Membrane, Single-pass type I membrane protein, Membrane raft
Protein Families Protein-tyrosine phosphatase family, Receptor class 1/6 subfamily
Database Links

HGNC: 9666

OMIM: 126200

KEGG: hsa:5788

STRING: 9606.ENSP00000356346

UniGene: Hs.654514

Pathway Fc gamma R-mediated phagocytosis
T cell receptor signaling pathway

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