CD28 Protein, Mouse (HEK293, His)
CD28 Protein, a crucial regulator of T-cell activation, promotes cell proliferation, cytokine production, and T-cell survival. It enhances IL4 and IL10 production when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a disulfide-linked homodimer and interacts with DUSP14, CD80/B7-1, CD86/B7-2/B70, and GRB2 (By similarity). CD28 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD28 protein, expressed by HEK293, with C-His labeled tag.
- Species: Mouse
- Source: HEK293
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- Help & FAQs
Biological Activity
Description
CD28 Protein, a crucial regulator of T-cell activation, promotes cell proliferation, cytokine production, and T-cell survival. It enhances IL4 and IL10 production when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a disulfide-linked homodimer and interacts with DUSP14, CD80/B7-1, CD86/B7-2/B70, and GRB2 (By similarity). CD28 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD28 protein, expressed by HEK293, with C-His labeled tag.
Background
CD28 Protein, a key player in T-cell activation, is involved in inducing cell proliferation, cytokine production, and promoting T-cell survival. It enhances the production of IL4 and IL10 in T-cells when combined with TCR/CD3 ligation and CD40L costimulation. CD28 Protein exists as a homodimer through disulfide-linkage and interacts with DUSP14. It binds to CD80/B7-1 and CD86/B7-2/B70, and also has an interaction with GRB2 (By similarity).
Technical Parameters
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Species Mouse
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Source HEK293
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Tag C-His
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Accession
P31041 (N20-L150)
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Gene ID12487
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Molecular Construction
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N-term
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CD28 (N20-L50)
Accession # P31041 -
His
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C-term
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Protein Length
Extracellular Domain
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Synonyms
CD28; CD28 Antigen; CD28 Molecule; IMD123; T-Cell-Specific Surface Glycoprotein CD28; Tp44; T-Cell-Specific Surface Glycoprotein; TP44; CD28 Antigen (Tp44)
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AA Sequence
NKILVKQSPLLVVDSNEVSLSCRYSYNLLAKEFRASLYKGVNSDVEVCVGNGNFTYQPQFRSNAEFNCDGDFDNETVTFRLWNLHVNHTDIYFCKIEFMYPPPYLDNERSNGTIIHIKEKHLCHTQSSPKL
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Predicted Molecular Mass
16.8 kDa
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Molecular Weight
Approximately 40-50 kDa,based on Bis-Tris PAGE under reducing conditions,due to the glycosylation.
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Glycosylation
Yes
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Purity
≥ 95%, as determined by Bis-Tris PAGE.
Product Properties
Lyophilized powder
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
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Data Sheet (236 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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