P8RI offers a structured peptide motif designed for evaluating receptor-binding determinants and conformational transitions. Residue diversity shapes amphipathic character and binding interfaces. Researchers assess its dynamic behavior in solution. Applications include ligand optimization, structural studies, and biophysical interaction mapping.
CAT No: R2492
CAS No:2147724-76-1
Synonyms/Alias:P8RI;2147724-76-1;(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-1-[(2R)-2-[[(2R)-2,6-diaminohexanoyl]amino]-3-(1H-indol-3-yl)propanoyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]-4-methylpentanoyl]amino]-3-phenylpropanoyl]amino]-3-methylbutanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid;HY-P3325;AKOS040757349;DA-76543;MS-31867;CS-0310666;H-D-Lys-D-Trp-D-Pro-D-Ala-D-Leu-D-Phe-D-Val-D-Arg-OH;
P8RI is a synthetic peptide compound specifically engineered to modulate protein-protein interactions and signal transduction pathways within cellular environments. As a peptide-based research tool, P8RI is distinguished by its ability to mimic, inhibit, or otherwise influence the activity of endogenous peptide ligands or their receptors. Its defined amino acid sequence and structural attributes make it a valuable asset for dissecting complex biochemical processes, particularly those involving receptor-mediated signaling, inflammatory cascades, and regulatory feedback mechanisms. Researchers utilize this compound to gain mechanistic insights into cellular communication and to explore targeted modulation of specific molecular pathways.
Signal transduction studies: P8RI is widely employed in investigations of intracellular signaling pathways, especially those involving G-protein coupled receptors and downstream effector cascades. Its peptide sequence is designed to interact with specific receptor domains, thereby enabling researchers to probe the activation or inhibition of signaling events with high specificity. By modulating these pathways, scientists can elucidate the roles of key proteins in cellular responses, such as phosphorylation events, second messenger production, or transcriptional regulation, providing a deeper understanding of cellular physiology and pathophysiology.
Inflammatory response research: The compound is frequently used to study the molecular mechanisms underlying inflammation, particularly in models where peptide-mediated control of cytokine release or leukocyte activation is of interest. By acting as a modulator of peptide-receptor interactions, it allows researchers to assess the impact of targeted intervention on pro-inflammatory or anti-inflammatory signaling networks. These studies are instrumental in identifying the contribution of specific peptides to immune cell recruitment, adhesion, and activation under various experimental conditions.
Protein-protein interaction assays: P8RI serves as a valuable probe in assays designed to characterize and quantify protein-protein interactions, such as co-immunoprecipitation, pull-down, or surface plasmon resonance experiments. Its defined structure and biological activity facilitate the study of binding affinities, interaction kinetics, and competitive inhibition among signaling proteins. Such applications are critical for mapping interaction networks, identifying binding partners, and validating putative molecular targets in basic and applied research settings.
Peptide structure-activity relationship (SAR) analysis: Researchers utilize P8RI as a model system for investigating structure-activity relationships among peptide ligands and their cognate receptors. Systematic modification of its amino acid sequence or chemical structure enables the identification of key residues responsible for biological activity, binding specificity, or receptor selectivity. These SAR studies inform the rational design of novel peptide analogs and contribute to the development of more effective research tools or targeted modulators.
Peptide-based assay development: The unique properties of P8RI make it suitable for incorporation into custom biochemical assays, including high-throughput screening platforms and functional cell-based assays. Its selective activity and compatibility with various assay formats allow for the precise measurement of receptor activation, signal transduction events, or downstream functional outcomes. By serving as a reference or control peptide, it supports assay optimization, validation, and reproducibility in diverse research applications.
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