Analytical Data
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Gene name
CD28
- Application
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Alternative Names
CD28; T-cell-specific surface glycoprotein CD28; Tp44
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Species
Mouse
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Source
HEK293
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Tag
C-Avi;C-hFc
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Purity
Greater than 90% as determined by SDS-PAGE.
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Uniprot
P31041
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Expression Region
N20-K149
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Molecular Weight
34-42 kDa
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Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
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Form
Freeze-dried powder
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Buffer formulation
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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Reconstitution
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- Customization
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Stability Test
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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Storage & Shelf Life
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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Shipping
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
CD28 is a vital co-stimulatory molecule expressed on T cells, playing a crucial role in their activation and function. It binds to its ligands, CD80 and CD86, present on antigen-presenting cells, providing essential signals for T cell proliferation, survival, and differentiation. Research into CD28 has advanced significantly, particularly concerning its role in immune responses, T cell activation pathways, and potential therapeutic applications in immunotherapy. Recombinant CD28 proteins have emerged as valuable tools for studying T cell biology, facilitating the understanding of T cell receptor signaling and co-stimulation. Through the production of recombinant CD28, researchers can investigate its interactions in a controlled environment, providing insights into its structural and functional properties. Moreover, understanding CD28's mechanisms may lead to novel strategies for enhancing anti-tumor immunity or regulating autoimmune diseases. The potential for using recombinant CD28 in combination therapies, alongside checkpoint inhibitors or other immunomodulatory agents, highlights its relevance in improving therapeutic outcomes in various diseases. Overall, the study of CD28 and its recombinant forms is essential for advancing our knowledge about immune regulation and developing next-generation immunotherapies.
