Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase C (PTPRC) Protein (His-SUMO)

Name: Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase C (PTPRC) Protein (His-SUMO)
Brand: Beta LifeScience
SKU: BLC-02390P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

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Product Overview

Description	Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase C (PTPRC) Protein (His-SUMO) is produced by our E.coli expression system. This is a extracellular protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P08575
Target Symbol	PTPRC
Synonyms	B220; CD 45; CD45; CD45 antigen; CD45R; GP180; L-CA; LCA; Leukocyte common antigen; loc; Ly-5; LY5; Ly5, homolog of; Lyt-4; OTTHUMP00000033813; OTTHUMP00000033816; OTTHUMP00000033817; OTTHUMP00000038574; Protein tyrosine phosphatase receptor type c polypeptide; Protein tyrosine phosphatase, receptor type C; protein tyrosine phosphatase, receptor type, C; Protein tyrosine phosphatase, receptor type, c polypeptide; Ptprc; PTPRC_HUMAN; Receptor-type tyrosine-protein phosphatase C; T200; T200 glycoprotein; T200 leukocyte common antigen
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His-SUMO
Target Protein Sequence	QSPTPSPTGLTTAKMPSVPLSSDPLPTHTTAFSPASTFERENDFSETTTSLSPDNTSTQVSPDSLDNASAFNTTGVSSVQTPHLPTHADSQTPSAGTDTQTFSGSAANAKLNPTPGSNAISDVPGERSTASTFPTDPVSPLTTTLSLAHHSSAALPARTSNTTITANTSDAYLNASETTTLSPSGSAVISTTTIATTPSKPTCDEKYANITVDYLYNKETKLFTAKLNVNENVECGNNTCTNNEVHNLTECKNASVSISHNSCTAPDKTLILDVPPGVEKFQLHDCTQVEKADTTICLKWKNIETFTCDTQNITYRFQCGNMIFDNKEIKLENLEPEHEYKCDSEILYNNHKFTNASKIIKTDFGSPGEPQIIFCRSEAAHQGVITWNPPQRSFHNFTLCYIKETEKDCLNLDKNLIKYDLQNLKPYTKYVLSLHAYIIAKVQRNGSAAMCHFTTKSAPPSQVWNMTVSMTSDNSMHVKCRPPRDRNGPHERYHLEVEAGNTLVRNESHKNCDFRVKDLQYSTDYTFKAYFHNGDYPGEPFILHHSTSYNSK
Expression Range	26-577aa
Protein Length	Extracellular Domain
Mol. Weight	76.8kDa
Research Area	Immunology
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target 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.; (Microbial infection) Acts as a receptor for human cytomegalovirus protein UL11 and mediates binding of UL11 to T-cells, leading to reduced induction of tyrosine phosphorylation of multiple signaling proteins upon T-cell receptor stimulation and impaired T-cell proliferation.
Subcellular Location	Cell membrane; Single-pass type I membrane protein. Membrane raft.
Protein Families	Protein-tyrosine phosphatase family, Receptor class 1/6 subfamily
Database References	HGNC: 9666 OMIM: 126200 KEGG: hsa:5788 STRING: 9606.ENSP00000356346 UniGene: PMID: 29133794 Five-year disease-free survival for patients with a high transcriptional expression of CD45 (n = 107) was 62.4% and for patients with a low expression (n = 53) it was 36.2% (P = 0.003). Patients with a high expression of CD45 had a better local recurrence-free survival and disease-specific survival. PMID: 29177949 CD45 is a regulator of IL-2 synergy in the NKG2D-mediated activation of immature human NK cells PMID: 28655861 TCR phosphorylation negatively correlates with TCR-CD45 separation. PMID: 29467364 Our results demonstrate that the expression of CD163 and CD206 in monocytes is modulated by LPS in vitro; LPS induces CD163 expression and downregulates the spontaneously increased expression of CD206 PMID: 25914252 Our results show that the kinetic strategy used in this study may be a simple and easy approach to assess by RT-FCM the reaction between NO and superoxide ion in whole blood monocytes..The no-wash, no-lyse staining protocol with CD45-KO and CD14-PB allows to differentiate clearly and to gate in the monocyte population in near-physiological conditions PMID: 25758468 regulatory effect of the mannose receptor (MR) was mediated by a direct interaction with CD45 on the T cell, inhibiting its phosphatase activity, which resulted in up-regulation of CTLA-4 and the induction of T-cell tolerance. Inhibition of CD45 prevented expression of B-cell lymphoma 6 (Bcl-6), a transcriptional inhibitor that directly bound the CTLA-4 promoter and regulated its activity PMID: 27601670 pUL11 induces IL-10 producing T cells as a result of pUL11 binding to the CD45 phosphatase on T cells. PMID: 28628650 Expression of IL10R subunits within the leukocyte population (CD45(+) cells) was significantly higher in primary brain tumors than in metastases. PMID: 28982901 As CD45 expression vs. SSc is routinely measured in the diagnostics of acute leukemias. PMID: 26415521 A phosphosite within the SH2 Domain of Lck regulates its activation by CD45. A negative feedback loop that responds to signaling events tunes active Lck amounts and TCR sensitivity. PMID: 28735895 C77G is not associated with ovarian cancer in the Norwegian population. However, it is possibly associated with a less aggressive cancer type. PMID: 28759630 Our findings suggest that CD45 is a key regulator of BCR-signaling thresholds mediated by T-cell help PMID: 27056269 we demonstrate for the first time the physiological existence of ct-CD45 in human plasma and show that it may be an extrinsic factor contributing to the maintenance of human T-cell quiescence. PMID: 27718235 Our findings suggest that if w/h ratio on SSC versus CD45 plot is less than 1.6, AML may be considered, and if it is more than 1.6, ALL may be diagnosed. Using morphometric analysis of the blast cluster on SSC versus CD45, it was possible to distinguish between ALL and AML, and their subtypes. PMID: 27748273 Use of the common leukocyte marker CD45 increases the sensitivity of the diagnosis of lymphocytic myocarditis. PMID: 28025077 Review/Meta-analysis: Rheumatoid arthritis patients with PTPRC rs10919563 A allele show a poor response to anti-TNF therapy. PMID: 27074847 Data suggest that CD41 and CD45 expression marked the onset of haemangioblastoma (HB) neovascularisation and the stepwise development of the angioformative period, and also the underlying therapeutic targets of anti-vascular treatment. PMID: 26468019 PTPRC has become the most replicated genetic biomarker of response to TNF inhibitors PMID: 25896535 CD45RO in tumor-infiltrating lymphocytes was found to be a positive prognostic factor in squamous non-small cell lung cancer. PMID: 26678911 CD45RO+ memory T-cells produce IL-17 in patients with atherosclerosis. PMID: 26667768 Data show the structural basis for, and the potent signaling effects of, local CD45 antigen and kinase segregation. PMID: 26998761 a CD45+/CD19 - cell population in bone marrow aspirates correlated with the clinical outcome of patients with mantle cell lymphoma. PMID: 25739938 High CD45 expression is associated with multiple myeloma. PMID: 26994849 C77G T(reg) showed diminished upregulation of activation markers, lower phosphorylation of p56(lck)(Y505) and a reduced proliferative potential when stimulated with anti-TcR or anti-TcR plus CD28 mAb suggesting decreased responsiveness to activating stimuli. Data suggest that the changes in CD45 isoform combination resulting from the C77G mutation alter the responsiveness PMID: 26355564 Findings indicate that CD45 antigen(+) and c-Kit protein(+) hematopoietic cells were more abundant in muscle than in bone marrow between embryonic 14.5 and 17.5 days. PMID: 26389592 CD4+CD45RO+CD25-/lowCD127+: CD4+CD45RO+CD25hiCD127-/low ratio in peripheral blood indicates heart transplant recipients at risk for cardiac allograft vasculopathy. PMID: 25539460 CD45+ cells were abundant in the stroma of physiologically immature placental villi and decreased as pregnancy progressed. PMID: 25043745 This study demonstrated that the copy number variations of PTPRC relate to opioid dependence. PMID: 25345593 This study did not replicate the association between PTPRC and the response to anti-TNF treatment in our Southern European population. We found that TRAF1/C5 risk RA variants potentially influence anti-TNF treatment response. PMID: 25834819 long noncoding RNA encoded by the natural antisense gene of CD45 contributes to the expressional regulation of the CD45RO splicing variant via recruitment of DNA methyltransferase and histone modification modulators specific to the sense gene CD45 PMID: 25381328 In T-cells, cholesterol-dependent domains function in the regulation of the Src family kinase Lck (p56lck) by sequestering Lck from its activator CD45. (Review) PMID: 25658353 Patients with the presence of CD8- and CD45RO-positive T cells in bone marrow demonstrated better survival of gastric cancer patients than those with the absence of these cells in bone marrow. PMID: 25804232 Low expression of CD39(+) /CD45RA(+) on regulatory T cells (Treg ) cells in type 1 diabetic children in contrast to high expression of CD101(+) /CD129(+) on Treg cells in children with coeliac disease. PMID: 25421756 Late-outgrowth CD45 negative endothelial progenitor cells express markers associated with pluripotency and can directly express an osteogenic phenotype under bone differentiation conditions. PMID: 25531767 SLAMF7-triggered inhibition is mediated by a mechanism involving Src kinases, CD45, and SHIP-1 that is defective in MM cells PMID: 25312647 Phosphatase CD45 both positively and negatively regulates T cell receptor phosphorylation in reconstituted membrane protein clusters, depending on LCK activity. PMID: 25128530 Results show that CD45 PTP activity is inhibited by galectin-1 in anaplastic large cell lymphoma cell line H-ALCL. PMID: 24589677 Expressing CD45 promoters containing these regions and tethered to green fluorescent protein (GFP) in a primary B-cell differentiation assay and a transplantation model resulted in high levels of GFP in lymphoid, myeloid, and nucleated erythroid cells PMID: 24852660 The rare sub-population of CD45(-)/Lin(-)/SSEA-4(+) VSEL stem cells survived after Hespan sedimentation. PMID: 24364909 Hematopoietic cell marker CD45 is expressed in hepatic progenitor cells. PMID: 24396288 CD45RA-Foxp3high Tregs increase in the peripheral circulation of head and neck squamous cell carcinoma patients. PMID: 24761979 the regulation of alternative splicing in CD45 by IkappaBL was independent from the kinase activity of CLK1. PMID: 23953137 high CD45 surface expression is associated with a poor prognosis in BCP-ALL as well as in T-ALL. PMID: 23911702 PTPRC/CD45 is down-regulated in leukemogenic tyrosine kinase expressing cells. PMID: 23997015 [review] Circulating CD34+/KDR+/CD45dim endothelial progenitor cells have great potential as biomarkers of vasculogenesis and endothelial repair wjen research protocols of in vitro culture and flow cytometry are included. PMID: 23171577 Heterogeneity within the Lin(-)CD45(-) cell fraction is the likely explanation for differences in the hUCB cell populations. PMID: 23840798 Galectin-3-induced apoptosis of Jurkat cells is regulated by both O-glycans and N-glycans on CD45. PMID: 24211831 spatial regulation of Lck by CD45 and GM1 ganglioside determines the outcome of apoptotic response to Gal-1 and this local regulation may occur only upon intimate effector (Gal-1 expressing) cell-T-cell attachment. PMID: 24231767 A glycosylation-dependent CD45RB epitope defines previously unacknowledged CD27-(IgM high) B cell subpopulations enriched in young children and after hematopoietic stem cell transplantation. PMID: 24211716

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

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