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| Product name | CAS:316805-65-9:XMP-629 |
| Description | XMP-629 is a novel broad-spectrum cationic antimicrobial peptide rich in tryptophan and arginine. It exerts bactericidal effects by disrupting bacterial cell membranes, with potent activity against multidrug-resistant Gram-positive bacteria such as MRSA and VRE. Applied in drug-resistant infection research, antimicrobial drug screening and membrane mechanism studies. |
| Peptide purity (HPLC, %) | 95%/98%/99% |
| Molecular formula | C₈₉H₁₂₉N₂₇O₁₃ |
| Molecular weight (Da) | 1765.16 |
| Terminal modification | C-terminal amidation |
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) |
| XMP-629 | Antimicrobial peptide XMP-629; CAS 316805-65-9; Anti-drug-resistant peptide | Broad-spectrum antimicrobial peptide,Anti-multidrug-resistant bacteria,Cell membrane disruption,MRSA/VRE study,Cationic amphipathic peptide,Low resistance risk | Tryptophan-arginine-tryptophan-arginine-lysine-tryptophan-arginine-leucine-arginine-lysine-tryptophan-argininamide | C₈₉H₁₂₉N₂₇O₁₃ | 1764.02 | 1765.16 | Free amine | Amidation | 12 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage Conditions | Short-term Storage Conditions | Liquid Stability | Solid Powder Stability |
| PEP-XMP001 | white powder | Store at -20℃, strictly protected from light, sealed under nitrogen, dry and aliquoted; avoid repeated freeze-thaw cycles and strong oxidizing agents | 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. **Good water solubility, freely soluble in water and dilute acetic acid**. Contains multiple tryptophan residues prone to photooxidation. Prepare with deoxygenated water and isolate from air | Stable for 3 years at -20℃ under dry, dark & nitrogen atmosphere |
Functional Description
| Product Code | Frontend Short Summary (for search list display) | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Targets / Pathways |
| PEP-XMP001 | Tryptophan/arginine-rich cationic antimicrobial peptide that disrupts bacterial cell membranes, active against multidrug-resistant bacteria | XMP-629 is an optimized cationic amphipathic antimicrobial peptide. Its sequence integrates multiple tryptophan hydrophobic residues and arginine/lysine positively charged residues to form a classic membrane-active peptide conformation. It binds to the negatively charged bacterial cell membrane surface via electrostatic interaction, and hydrophobic tryptophan inserts into the hydrophobic core of the membrane, disrupting membrane integrity and causing intracellular content leakage, ultimately leading to bacterial death. The mechanism does not rely on specific receptors and is less prone to drug resistance. Effective against multidrug-resistant Gram-positive bacteria such as MRSA and VRE, it serves as a core tool peptide for drug-resistant infection mechanism research, novel antimicrobial drug screening and cell membrane mechanism studies. | Drug-resistant bacteria research,Antimicrobial drug development,Cell membrane biology research,Infection mechanism research,Anti-biofilm research,Novel antibiotic development | Bacterial cell membrane phospholipid bilayer; Membrane permeability disruption pathway; Bacterial intracellular content leakage mechanism |
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