XMP-629, an endotoxin inhibitor, is used potentially for the treatment of impetigo and acne rosacea.
CAT No: R1974
CAS No:316805-65-9
Chemical Name:(2R)-2-[[(2R)-6-amino-2-[[(2R)-2-[[(2R)-5-amino-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2,6-diaminohexanoyl]amino]-4-methylpentanoyl]amino]-3-phenylpropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-naphthalen-1-ylpropanoyl]amino]-5-oxopentanoyl]amino]propanoyl]amino]hexanoyl]amino]-3-naphthalen-1-ylpropanoic acid
XMP-629 is a synthetic antimicrobial peptide designed to mimic key functional domains of natural host defense peptides. As a member of the peptide compound category, XMP-629 exhibits amphipathic structure and cationic charge properties that are critical for its interaction with microbial membranes. Its biochemical significance lies in its ability to disrupt bacterial cell integrity, making it a valuable tool for researchers investigating membrane-targeting antimicrobial mechanisms. The compound's engineered stability and broad-spectrum activity profile have established its relevance in both fundamental microbiology and applied biotechnology studies.
Antimicrobial mechanism studies: XMP-629 is widely utilized in research focused on elucidating the biophysical and biochemical mechanisms underlying peptide-mediated microbial killing. Its defined sequence and membrane-disruptive capabilities allow scientists to dissect peptide-lipid interactions, investigate pore formation, and characterize the downstream effects on bacterial viability. These studies contribute to a deeper understanding of innate immune defense strategies and inform the rational design of next-generation antimicrobial agents.
Microbial resistance research: The compound serves as a model system for exploring microbial adaptation and resistance development against peptide-based antimicrobials. By subjecting diverse bacterial strains to repeated exposure, researchers can identify genetic and phenotypic changes that confer resistance, thus gaining insight into the evolutionary dynamics of host-pathogen interactions. Such investigations are essential for anticipating resistance trends and for developing more robust antimicrobial strategies.
Biofilm disruption assays: XMP-629 is frequently employed in in vitro assays designed to assess its efficacy in disrupting established microbial biofilms. Its amphipathic structure enables penetration and destabilization of the extracellular polymeric matrix, providing a means to study biofilm resilience and eradication. These applications are particularly relevant for understanding the limitations of conventional antimicrobials and for developing novel approaches to biofilm control in industrial and medical device contexts.
Peptide structure-activity relationship (SAR) analysis: Researchers leverage XMP-629 as a reference compound in structure-activity relationship studies, where systematic modifications to its amino acid sequence or physicochemical properties are correlated with changes in antimicrobial potency and selectivity. These SAR investigations facilitate the identification of critical structural motifs responsible for activity, guiding the optimization of peptide therapeutics and informing the broader field of peptide engineering.
Analytical method development: The compound is also valuable in the development and validation of analytical techniques for quantifying peptide stability, degradation, and bioactivity in complex matrices. By serving as a standard or control in chromatographic, spectrometric, or functional assays, it enables method optimization and quality assessment, supporting reliable data generation in peptide research and product development pipelines.
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