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| Description | The 14-aa V5 tag (parainfluenza-V5 P protein-derived, TFA salt), recognized by anti-V5 mAb; a common WB/IF/IP fusion tag. |
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) |
| V5 Epitope Tag Peptide (TFA) | V5 tag peptide; V5 Tag Peptide; GKPIPNPLLGLDST; SV5 P/V protein C-terminal epitope | epitope tag,protein tag,immunodetection,antibody elution,fusion protein purification | H-Gly-Lys-Pro-Ile-Pro-Asn-Pro-Leu-Leu-Gly-Leu-Asp-Ser-Thr-OH (the 14-mer C-terminal epitope of the simian virus 5 (SV5) P/V protein, recognized by anti-V5 mAbs SV5-Pk1 and V5-10; supplied as TFA salt: C66H109F3N16O22, MW 1534.79/1535.68 (SB-PEPTIDE 1535.66 matches); free base C64H108N16O20, MW 1420.79/1421.66 (Beyotime/SB-PEPTIDE 1421.64 matches)) | C66H109F3N16O22 | 1534.79 | 1535.68 | TFA salt (SB-PEPTIDE standard TFA salt; per CoA; free base MW 1420.79/1421.66) | 14 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage | Short-term Storage | Solution Stability | Solid Powder Stability |
| PEP-V5TAG-01 | White to off-white powder (TFA salt form) | Store at -20°C or below, dry and sealed; TFA salt is hygroscopic - keep in a desiccator after opening; aliquot to avoid repeated freeze-thaw | Store at 2-8°C, sealed and dry, 2-4 weeks; aliquot after reconstitution and freeze at -20°C | Hydrophobic residue-rich sequence (Pro x3, Leu x3, Ile x1) with moderate water solubility; pre-dissolve in a small volume of DMSO, then dilute with water or buffer (up to ~10 mg/mL stock). No Cys/Met/Trp/Tyr - low oxidation and light-sensitivity risk. Aliquot at -20°C; avoid repeated freeze-thaw | powder stable ~2-3 years sealed and dry; TFA salt - protect from moisture |
Functional Description
| Product Code | Frontend Short Summary | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Targets / Receptors |
| PEP-V5TAG-01 | V5 epitope tag peptide (GKPIPNPLLGLDST) for detection, immunoprecipitation and affinity-purification elution of V5-tagged fusion proteins; TFA salt form. | The V5 epitope tag peptide is the 14-mer C-terminal epitope of the simian virus 5 (SV5, Paramyxoviridae) P/V protein, specifically recognized by anti-V5 monoclonal antibodies (clones SV5-Pk1, V5-10, etc.). Fused to the N- or C-terminus of recombinant proteins as an epitope tag, it is widely used for Western blot, immunoprecipitation/Co-IP and immunofluorescence detection, and for affinity purification of fusion proteins on anti-V5 resins (e.g., V5-Trap) with competitive elution using the free V5 peptide. The sequence is confirmed by APExBIO, Beyotime, SB-PEPTIDE, Proteintech, Thermo and others. | protein tags,immunodetection,protein purification,recombinant protein expression,antibody engineering | Recognized by anti-V5 mAbs (SV5-Pk1, V5-10); V5-tagged fusion proteins |
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