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| Product name | β-Interleukin I (163-171), human |
| CAS | 106021-96-9 |
| Description | Also known as Sclavo peptide, it is an immunostimulatory nonapeptide fragment derived from human IL-1β. It does not bind to IL-1 receptors and acts as a safe immune adjuvant to enhance T cell immune responses, applied in vaccine development, tumor immunity and immune regulation mechanism research. |
| Peptide purity (HPLC, %) | 95%/98%/99% |
| Molecular formula | C₃₉H₆₄N₁₂O₁₉ |
| Molecular weight (Da) | 1004.99 |
| Terminal modifications | Native free termini, no chemical modifications |
Product Basic Information Table
| Product Standard English Name | Product Abbreviation / Alias | Function Tags (comma-separated) | Full Amino Acid Sequence | Molecular Formula | Exact Mass (Da) | Average MW (Da) | N-terminal Modification | C-terminal Modification | Sequence Length (aa) |
| β-Interleukin I (163-171), human | Human IL-1β fragment 163-171; Sclavo peptide; CAS 106021-96-9; Immune adjuvant peptide | Immunostimulatory peptide,T cell activation,Vaccine adjuvant,IL-1β derived fragment,Inflammation regulation study,Antigen presentation enhancement | Valine-glutamine-glycine-glutamic acid-glutamic acid-serine-asparagine-aspartic acid-lysine | C₃₉H₆₄N₁₂O₁₉ | 1004.44 | 1004.99 | Free amine, no modification | Free carboxyl, no modification | 9 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage Conditions | Short-term Storage Conditions | Liquid Stability | Solid Powder Stability |
| PEP-IL1B001 | white powder | Store at -20℃, sealed, dry & protected from light, aliquoted; avoid repeated freeze-thaw cycles | Solid powder stable for 2 years at 2-8℃ sealed and dry; prepare aqueous solutions freshly before use | Stable for 72 h at 4℃; stable for 1 month at -20℃ in aliquots; stable for 6 months at -80℃ in aliquots. **Excellent water solubility, freely soluble in water and physiological buffer**. Unmodified short peptide is easily degraded by peptidases with poor room-temperature stability | Stable for 3 years at -20℃ under dry & dark conditions |
Functional Description
| Product Code | Frontend Short Summary (for search list display) | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Targets / Pathways |
| PEP-IL1B001 | Human IL-1β-derived nonapeptide immune adjuvant fragment that enhances T cell immune responses with no proinflammatory side effects | β-Interleukin I (163-171) is a synthetic nonapeptide derived from residues 163-171 of human interleukin-1β (IL-1β), also known as Sclavo peptide. This fragment does not bind to IL-1 receptors and lacks the proinflammatory activity of the full cytokine, but acts as a potent immunostimulatory adjuvant that significantly enhances antigen-specific T cell responses, promotes activation and proliferation of CD4+ helper T cells and CD8+ cytotoxic T cells, and synergistically boosts humoral and cellular immunity. Its mechanism of action is independent of the IL-1R signaling pathway, with minimal proinflammatory side effects and high safety. It is widely used in vaccine adjuvant development, tumor immunotherapy research, immune regulation mechanism analysis, antigen presentation mechanism research and infection immunity evaluation. | Vaccine adjuvant development,Tumor immunity research,Immune regulation mechanism study,T cell activation research,Antigen presentation mechanism study,Infection immunity research | T cell activation pathway; Antigen presentation auxiliary pathway; Immune adjuvant effect pathway |
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