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| Description | Lys-Pro-Pro-Thr-Pro-Pro-Pro-Glu-Pro-Glu-Thr, the Pro-rich framework of the mucin MUC1 extracellular VNTR; used for tumor-associated glycoprotein epitopes, antibody recognition and tumor immunology. |
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) |
| SV40 Large T Antigen Peptide (KPPTPPPEPET) | KPPTPPPEPET; Proline-rich C-terminal tryptic peptide of SV40 large T antigen; H-Lys-Pro-Pro-Thr-Pro-Pro-Pro-Glu-Pro-Glu-Thr-OH; CAS 75813-50-2 | Proline-rich peptide,SV40 large T antigen,protein phosphorylation,substrate peptide,viral oncoprotein | H-Lys-Pro-Pro-Thr-Pro-Pro-Pro-Glu-Pro-Glu-Thr-OH (unphosphorylated proline-rich tryptic phosphothreonine peptide from the C-terminus of SV40 large T antigen; free N-terminus/free C-terminus; 6Pro+2Glu+1Lys+2Thr; Thr4 is the in vivo phosphorylation site) | C54H84N12O18 | 1188.6 | 1189.33 | Free acid form H-Lys-...-Thr-OH (Alfa Chemistry, 96% purity; synthetic peptides commonly supplied as TFA salt, per COA) | 11 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage | Short-term Storage | Solution Stability | Solid Powder Stability |
| PEP-KPPTPP-01 | White to off-white powder (standard for synthetic peptides) | Store at -20°C or below (recommended -20°C±5°C), dry, sealed, light-protected; aliquot to avoid repeated freeze-thaw | 2–8°C, sealed and desiccated, for days to weeks (short-term transport/storage) | Soluble in water or dilute acetic acid (2 acidic Glu + 1 basic Lys); dilute ammonia if needed. No Cys/Met/Trp/Tyr sensitive residues - no special anti-oxidation/light-protection required, though light-protected storage is recommended. Prepare fresh; aliquot at -20°C; avoid repeated freeze-thaw | powder stable for >2 years when dry, sealed and light-protected; 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-KPPTPP-01 | Unphosphorylated proline-rich tryptic phosphothreonine peptide from the C-terminus of SV40 large T antigen, used in phosphorylation research. | This peptide corresponds to the proline-rich C-terminal tryptic phosphothreonine-containing peptide of SV40 large T antigen (Thr4 is the in vivo phosphorylation site). It is used as a research substrate/control for protein phosphorylation-site identification and kinase/phosphatase studies, and as a structural model of proline-rich acidic peptides (PPII conformation). | Viral oncoprotein biology,Protein phosphorylation,Proline-rich peptide structure,Enzymology/substrate peptides | N/A (research control / phosphopeptide substrate) |
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