δ-Ava7-Atosiban is a modified atosiban analogue featuring δ-Ava substitution to adjust conformational and physicochemical properties. The change influences backbone flexibility, hydrophobic surface, and receptor-contact regions. Researchers compare its structural ensemble and binding behavior with the parent peptide. Applications include analog-optimization work, SAR exploration, and peptide-structure refinement.
CAT No: R2849
Synonyms/Alias:(4R,7S,10S,13S,16R)-N-(5-(((S)-5-amino-1-((2-amino-2-oxoethyl)amino)-1-oxopentan-2-yl)amino)-5-oxopentyl)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carboxamide
δ-Ava7-Atosiban is a synthetic peptide derivative designed to serve as a valuable tool in biochemical and molecular biology research focused on oxytocin and vasopressin receptor pathways. Engineered with a modified amino acid sequence, this compound incorporates specialized structural features that enable selective interaction with specific receptor subtypes. Its unique configuration makes it particularly attractive for studies requiring high receptor specificity, allowing researchers to dissect intricate signaling mechanisms without the confounding effects of off-target interactions. The stability and solubility characteristics of δ-Ava7-Atosiban further enhance its applicability in a variety of experimental settings, from in vitro assays to complex ex vivo models. By providing a reliable means to modulate peptide-receptor interactions, δ-Ava7-Atosiban supports advanced investigations into peptide hormone function and regulation.
Receptor Binding Studies: δ-Ava7-Atosiban is widely utilized in receptor binding assays aimed at elucidating the affinity and selectivity profiles of oxytocin and vasopressin receptor subtypes. In these applications, the peptide serves as a reference ligand or competitive antagonist, allowing for the quantification of receptor-ligand interactions through radioligand binding or fluorescence-based techniques. By examining how δ-Ava7-Atosiban interacts with its target receptors, researchers can gain insights into the structural determinants of binding specificity and the molecular basis of receptor activation or inhibition. These findings contribute to a deeper understanding of peptide hormone signaling and support the rational design of novel receptor modulators.
Signal Transduction Research: The use of δ-Ava7-Atosiban extends to the analysis of downstream signaling pathways activated by oxytocin and vasopressin receptors. By selectively blocking or modulating receptor activity, this compound enables the dissection of intracellular signaling cascades, such as G-protein activation, second messenger production, and kinase phosphorylation events. Experimental models that incorporate δ-Ava7-Atosiban can reveal how alterations in receptor signaling impact cellular responses, gene expression profiles, and physiological processes. These studies are instrumental in mapping the complex networks that govern hormone-mediated communication within cells and tissues.
Pharmacological Profiling: In the context of drug discovery and development, δ-Ava7-Atosiban is employed to characterize the pharmacological properties of new candidate molecules targeting oxytocin and vasopressin receptors. By serving as a benchmark compound in functional assays, it helps to define the potency, efficacy, and selectivity of investigational drugs. Researchers can use δ-Ava7-Atosiban to establish assay baselines, validate screening platforms, and interpret structure-activity relationships. This application is crucial for advancing the development of therapeutics that modulate peptide hormone pathways with improved precision and safety.
Structure-Activity Relationship Analysis: The structural modifications present in δ-Ava7-Atosiban make it a valuable model for structure-activity relationship (SAR) studies. By comparing the biological activities of δ-Ava7-Atosiban with those of related analogs, scientists can identify key molecular features that influence receptor binding and functional outcomes. SAR investigations utilizing this peptide inform the rational design of next-generation compounds with optimized properties, such as enhanced selectivity, stability, or bioavailability. These insights drive innovation in the field of peptide-based research tools and therapeutic agents.
Neuroendocrine System Investigations: Research into the neuroendocrine regulation of physiological processes often leverages δ-Ava7-Atosiban to modulate oxytocin and vasopressin signaling in neural and peripheral tissues. By applying this compound in experimental models, investigators can probe the roles of these peptide hormones in processes such as social behavior, stress response, and fluid balance. The ability to selectively influence receptor activity without cross-reactivity is particularly advantageous for unraveling the specific contributions of different receptor subtypes. As a result, δ-Ava7-Atosiban continues to facilitate high-impact research into the molecular mechanisms underlying neuroendocrine function and adaptation.
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