Immunology peptides
OVA (257-264) SIINFEKL Peptide
Synthetic ovalbumin (257-264) SIINFEKL peptide, model T-cell epitope presented by MHC class I
- Cat. No.
- P2275
- Category
- Immunology peptides
- Formats
- 2 formats
- Manufacturer
Synthetic peptide matching residues 257-264 of chicken ovalbumin, sequence SIINFEKL, one of the most widely used model T-cell epitopes in immunology. Presented by MHC class I molecules, it is recognised by CD8+ cytotoxic T lymphocytes and is used to activate T cells in vitro. It is supplied lyophilised as the trifluoroacetate salt with purity above 95% (HPLC).
Key features
Model antigen
Ovalbumin epitope widely used in studies of CD8+ T-cell activation.
High purity
Purity above 95%, determined by HPLC at 214 nm.
Ready to reconstitute
Lyophilised white powder, trifluoroacetate salt.
Two pack sizes
Available in 1 mg and 5 mg packs.
Applications
- Antigen-specific CD8+ T-cell stimulation
- T-cell mediated cytotoxicity assays
- Studies of MHC class I antigen presentation
- Ovalbumin-based immunology models
Technical details
| Sequence | SIINFEKL (H-Ser-Ile-Ile-Asn-Phe-Glu-Lys-Leu-OH) |
|---|---|
| Sequence origin | Ovalbumin, residues 257-264 |
| Molecular weight | 963.13 g/mol |
| Formula | C45H74N10O13 x C2HF3O2 (TFA salt) |
| CAS | 138831-86-4 (free base) |
| Purity | > 95% (HPLC, 214 nm) |
| Appearance | Lyophilised white powder |
| Storage | -20 °C |
| Shipping | Ambient |
What you receive
The product
Shipped under controlled temperature when the product requires it.
Lot certificate
Every lot comes with its certificate.
Tracked shipment
Follow your shipment live, from our warehouse to your lab.
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Frequently asked questions
Can I ask for formats other than those listed?
Yes: custom formats and OEM packs are available on request. Tell us the quantities you need.
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How long does delivery take?
We give you the availability with the quote, within 24 hours of your request.