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| Description | Influenza NP residues 147–155 (TFA salt), an HLA-restricted CD8+ T epitope conserved across influenza A strains; used for memory CTL, cross-protection and universal vaccines. |
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) |
| Influenza NP (147-155) (TFA) | Flu NP147-155 (TFA salt); TYQRTRALV; H-2Kd CTL epitope; free base CAS 132326-72-8 | Influenza,nucleoprotein,CTL epitope,H-2Kd,CD8 T cells,vaccine,TFA salt | H-Thr-Tyr-Gln-Arg-Thr-Arg-Ala-Leu-Val-OH (influenza A nucleoprotein NP 147-155, classic H-2Kd-restricted immunodominant CD8+ CTL epitope; contains 1 Tyr - light protection; TFA salt version, same sequence as the previously handled free-base form) | C48H82N16O14 | 1106.62 | 1107.28 | TFA salt (trifluoroacetate); free base CAS 132326-72-8 (AnaSpec/AdooQ list MW 1107.3); TFA salt adds ~90 Da to actual MW | 9 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage | Short-term Storage | Solution Stability | Solid Powder Stability |
| PEP-FLUNP147T-01 | White to off-white powder (TFA salt) | Store at -20°C or below (recommended -20°C±5°C), dry, sealed, light-protected (Tyr - prevent photo-oxidation); aliquot to avoid repeated freeze-thaw | 2–8°C, sealed, dry and light-protected, for days to weeks (short-term transport/storage) | Protect solution from light (aromatic Tyr residue). Soluble in water or pre-dissolve in a small volume of DMSO then dilute with aqueous/PBS buffer (standard H-2Kd epitope handling). Prepare fresh; aliquot at -20°C; avoid repeated freeze-thaw | powder (TFA salt) stable for ~2 years when dry, light-protected and sealed; protect from moisture; aliquot promptly after opening and keep with desiccant |
Functional Description
| Product Code | Frontend Short Summary | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Targets / Pathways |
| PEP-FLUNP147T-01 | Influenza NP 147-155 (TYQRTRALV), H-2Kd-restricted CD8+ CTL epitope, TFA salt; used in mouse influenza cellular immunity studies. | An H-2Kd-restricted immunodominant CD8+ CTL epitope derived from influenza A nucleoprotein (NP 147-155); widely used in BALB/c mouse influenza infection/vaccine models to quantify NP-specific CTL responses, CTL memory and cross-subtype protective cellular immunity. This is the TFA salt version with the same sequence as the free base (CAS 132326-72-8). | Immunology,Virology,Vaccine development,CTL epitope research | Murine MHC class I H-2Kd; NP-specific CD8+ T-cell receptor |
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