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| Description | OVA residues 241–270 (30-mer), covering the SIINFEKL (257-264) CD8 epitope and flanking CD4 help; used for long-peptide cross-presentation and T-cell assays. |
Product Basic Information Table
| Product Standard English Name | Product Abbreviation / Alias | Function Tags (comma-separated) | Core Structure | Molecular Formula | Exact Mass (Da) | Average MW (Da) | Salt Form | Length (aa) |
| Ovalbumin (241-270) peptide, chicken | OVA(241-270); OVA long peptide containing SIINFEKL | model antigen, MHC-I epitope carrier peptide, CD8+ T cell, vaccine research, immunogen | H-Ser-Met-Leu-Val-Leu-Leu-Pro-Asp-Glu-Val-Ser-Gly-Leu-Glu-Gln-Leu-Glu-Ser-Ile-Ile-Asn-Phe-Glu-Lys-Leu-Thr-Glu-Trp-Thr-Ser-OH (A 30-mer spanning chicken ovalbumin UniProt P01012 residues 241-270; it embeds the canonical H-2Kb-restricted octamer SIINFEKL (mature-protein numbering 257-264) at its center, and contains one Met and one Trp.) | C154H246N34O51S | 3419.74 | 3421.91 | 未确认;多数合成免疫表位肽以TFA盐或醋酸盐形式提供,目录未注明,需以COA为准 | 30 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage | Short-term Storage | Solution Stability | Solid Powder Stability |
| PEP-OVAL241270-01 | White to off-white powder (typical for OVA-derived epitope peptides) | Aliquot as powder and store long-term at -20°C (better at -80°C), sealed under nitrogen, light-protected and dry; protect from oxidation due to Met and Trp | Short-term at 4°C, dry and light-protected; avoid repeated freeze-thaw | After reconstitution, aliquot and store at -20°C; use within days; Met oxidation and Trp photodegradation limit long-term solution storage | Stable as dry powder; approximately 2-3 years at -20°C |
Functional Description
| Product Code | Frontend Short Summary | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Targets / Pathways |
| PEP-OVAL241270-01 | An OVA long peptide embedding SIINFEKL, used for H-2Kb-restricted CD8+ T-cell (OT-I) antigen presentation and vaccine-model studies. | This 30-mer mimics an endogenous ovalbumin fragment; after cellular antigen processing it presents SIINFEKL on MHC-I (H-2Kb) for specific recognition by the OT-I transgenic CD8+ T-cell receptor. It is widely used in studies of cross-presentation, proteasomal cleavage, DC maturation and cross-priming, tumor-vaccine and adjuvant evaluation; as a long peptide it recapitulates natural processing better than the SIINFEKL octamer alone. | immunology, tumor vaccine, antigen presentation, dendritic-cell research, infection immunity | Murine MHC-I H-2Kb; OT-I TCR |
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