Recombinant Rhesus CD3E Protein (Met1-Asp117), His-Fc-tagged

Cat.No. : CD3E-982R
Product Overview : Recombinant Rhesus CD3E Protein (XP_001097204.1) (Met1-Asp117) was produced by HEK293 Cells expression system. This protein was fused with the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.
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Description : T-cell surface glycoprotein CD3 epsilon chain, also known as CD3E, is a single-pass type I membrane protein. CD3E contains 1 Ig-like (immunoglobulin-like) domain and 1 ITAM domain. CD3E, together with CD3-gamma, CD3-delta and CD3-zeta, and the T-cell receptor alpha/beta and gamma/delta heterodimers, forms the T cell receptor-CD3 complex. The CD3 epsilon subunit of the T cell receptor (TCR) complex contains two defined signaling domains, a proline-rich sequence and an immune tyrosine activation motifs (ITAMs), and this complex undergoes a conformational change upon ligand binding that is thought to be important for the activation of T cells. In the CD3 epsilon mutant mice, all stages of T cell development and activation that are TCR-dependent were impaired, but not eliminated, including activation of mature naïve T cells with the MHCII presented superantigen, staphylococcal enterotoxin B, or with a strong TCR cross-linking antibody specific for either TCR-Cbeta or CD3 epsilon. T cell receptor-CD3 complex plays an important role in coupling antigen recognition to several intracellular signal-transduction pathways. This complex is critical for T-cell development and function, and represents one of the most complex transmembrane receptors. CD3E plays an essential role in T-cell development, and defects in CD3E gene cause severe immunodeficiency. Homozygous mutations in CD3D and CD3E genes lead to a complete block in T-cell development and thus to an early-onset severe combined immunodeficiency phenotype.
Source : HEK293
Species : Rhesus
Tag : His&Fc
Predicted N Terminal : Gln 22
Form : Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Molecular Mass : The secreted recombinant rhesus CD3E comprises 346 amino acids and has a predicted molecular mass of 39.1 kDa.
Protein length : Met1-Asp117
Endotoxin : < 1.0 EU per μg of the protein as determined by the LAL method
Purity : > 80 % as determined by SDS-PAGE
Stability : Samples are stable for up to twelve months from date of receipt at -70 centigrade.
Storage : Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 mg/ml. Centrifuge the vial at 4℃ before opening to recover the entire contents.
Shipping : In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.

Not For Human Consumption!

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03/22/2023

    Manufacturers with the capacity for bulk production can offer CD3E protein in larger quantities, which is advantageous for researchers working on large-scale experiments or collaborations.

    09/12/2021

      bulk production often leads to economies of scale, making the CD3E protein more cost-effective for research budgets.

      06/17/2018

        Manufacturers can actively seek collaborations and partnerships with researchers to develop new applications or optimize methodologies using CD3E protein.

        Q&As (5)

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        Can CD3E be used to assess the effectiveness of cancer immunotherapies? 04/07/2021

        Yes, CD3E levels and T-cell function can be monitored to evaluate the response to cancer immunotherapies like checkpoint inhibitors.

        Are there any CD3E-targeted therapies? 06/01/2017

        There are currently no approved therapies that directly target CD3E, but it is a target for research in developing immunotherapies and cancer treatments.

        Are there any ongoing clinical trials involving CD3E? 12/20/2016

        There may be ongoing clinical trials using CD3E-targeted therapies in the context of cancer and autoimmune diseases. It's important to check clinical trial databases for specific studies.

        Can CD3E levels be used to monitor the progression of HIV? 08/27/2016

        Yes, monitoring CD3E levels in HIV-infected individuals can provide valuable information about the progression of the disease and the effectiveness of antiretroviral therapy.

        How is CD3E used in allergy diagnostics? 06/22/2016

        CD3E can be used in research to study T-cell responses in allergic conditions, helping to better understand and diagnose allergies.

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