Bombinin-like peptide-3, Bombina orientalis incorporates hydrophobic and polar residues arranged to form amphipathic structures. The peptide supports studies of membrane association and folding transitions. Researchers analyze its behavior in mimetic environments to understand bioactive motif dynamics. Applications include natural-peptide modeling, structural biology, and interaction profiling.
CAT No: R2463
CAS No:138220-02-7
Synonyms/Alias:BLP-3;138220-02-7;bombinin-like peptide-3, Bombina orientalis;BLP-3 protein, Bombina orientalis;L-Phenylalaninamide, glycyl-L-isoleucylglycyl-L-alanyl-L-alanyl-L-isoleucyl-L-leucyl-L-seryl-L-alanylglycyl-L-lysyl-L-seryl-L-alanyl-L-leucyl-L-lysylglycyl-L-leucyl-L-alanyl-L-lysylglycyl-L-leucyl-L-alanyl-L-alpha-glutamyl-L-histidyl-;Bombinin-like peptide-3;
Bombinin-like peptide-3, Bombina orientalis, is a naturally occurring antimicrobial peptide isolated from the skin secretions of the Oriental fire-bellied toad. As a member of the bombinin family, it is characterized by its amphipathic structure and potent bioactivity against a range of microbial organisms. Its unique sequence and conformational properties have made it a subject of considerable interest in the fields of peptide biochemistry and innate immunity research. The study of this peptide provides valuable insights into host defense mechanisms in amphibians and offers a model for understanding the evolution and function of antimicrobial peptides in vertebrates.
Antimicrobial mechanism research: Bombinin-like peptide-3 serves as a key tool for investigating the molecular mechanisms underlying antimicrobial activity in host defense peptides. Its ability to interact with and disrupt microbial membranes makes it particularly useful for elucidating the structural features and physicochemical interactions responsible for selective microbial targeting. By studying its structure-activity relationships, researchers can gain a deeper understanding of how amphipathic peptides achieve their broad-spectrum antimicrobial effects, which is fundamental for both basic and applied peptide science.
Peptide structure-function studies: The peptide's well-defined sequence and secondary structure render it highly suitable for advanced structure-function analyses. It is frequently employed in studies employing techniques such as nuclear magnetic resonance (NMR) spectroscopy, circular dichroism, and molecular dynamics simulations to probe conformational dynamics, folding behavior, and membrane interactions. Such studies are instrumental in delineating the correlations between primary sequence, three-dimensional structure, and biological activity, informing the rational design of synthetic analogs with optimized properties.
Template for synthetic peptide design: Due to its robust antimicrobial profile and defined amphipathic motif, bombinin-like peptide-3 is widely used as a template in the rational design and synthesis of novel peptide analogs. Researchers leverage its sequence motifs to engineer peptides with enhanced stability, specificity, or activity for a variety of experimental applications. The peptide's characteristics offer a valuable foundation for developing new biomimetic molecules, supporting innovation in peptide engineering and functional material development.
Comparative evolutionary biology: As a naturally derived peptide from Bombina orientalis, this compound is integral to comparative studies exploring the diversity and evolutionary adaptation of amphibian antimicrobial peptides. By analyzing its sequence homology, structural features, and functional properties alongside related peptides from different species, scientists can investigate the molecular evolution of innate immune systems. These comparative analyses contribute to a broader understanding of how environmental pressures shape peptide repertoires and host defense strategies across taxa.
Functional assays and bioactivity profiling: Bombinin-like peptide-3 is routinely utilized in functional assays designed to quantify antimicrobial potency, spectrum of activity, and cytolytic effects. Its inclusion in in vitro screening platforms enables the characterization of peptide-microbe interactions and facilitates the identification of determinants critical for bioactivity. Through such assays, researchers can systematically evaluate the efficacy of peptide variants and assess their suitability for further development in research settings focused on microbial resistance and innate immunity.
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