c(Bua-Cpa-Thi-Val-Asn-Cys)-Pro-Agm is a is a potent, selective and short-acting peptidic V2 receptor (V2R) agonist with EC50s of 0.25 and 0.05 nM for hV2R and rV2R, respectively.
c(Bua-Cpa-Thi-Val-Asn-Cys)-Pro-Agm is a synthetic cyclic peptide featuring a defined sequence of amino acid analogs and residues, designed to offer unique conformational stability and functional versatility for advanced biochemical research. Its structure, incorporating non-standard amino acids and a cyclized backbone, enables the investigation of peptide folding, receptor interactions, and structure-activity relationships in peptide science. The presence of specialized residues and the cyclic motif make it a valuable model for exploring the physicochemical properties, biological recognition, and synthetic utility of constrained peptides in laboratory settings.
Peptide structure-function analysis: The compound serves as a robust tool for elucidating the relationship between peptide conformation and biological activity. Its cyclic architecture confers enhanced rigidity compared to linear peptides, allowing researchers to dissect the impact of backbone cyclization on molecular recognition, binding affinity, and resistance to enzymatic degradation. By studying its interactions with target proteins or receptors, scientists can gain insights into the principles governing peptide-mediated signaling and molecular recognition, which are fundamental for the rational design of bioactive peptides.
Receptor binding studies: Due to its unique sequence and conformational constraints, this cyclic peptide is well-suited for receptor binding assays aimed at mapping ligand-receptor interactions. Its design enables the identification of key contact points and the assessment of binding specificity, which is essential for understanding peptide-receptor dynamics. Such investigations contribute to the development of peptide ligands with optimized selectivity and potency for research applications in molecular pharmacology and chemical biology.
Peptide synthesis optimization: The compound is an instructive model for evaluating synthetic strategies in peptide chemistry, particularly for the assembly of cyclic and backbone-modified peptides. Researchers utilize it to refine cyclization protocols, improve coupling efficiencies, and troubleshoot synthetic challenges associated with non-standard residues. These studies enhance the development of reliable methodologies for producing complex peptide architectures, facilitating the broader application of constrained peptides in research and industry.
Protease resistance evaluation: The cyclic structure and inclusion of non-canonical amino acids make this peptide an exemplary substrate for studying proteolytic stability. By subjecting it to various protease assays, investigators can assess the impact of cyclization and residue modification on resistance to enzymatic cleavage. Such data are critical for designing peptides with prolonged stability in biological environments, which is highly relevant for probing peptide function in vitro and in complex biological matrices.
Biophysical characterization: The defined sequence and structural features of this peptide provide an excellent basis for advanced biophysical studies, including NMR spectroscopy, circular dichroism, and mass spectrometry. These techniques enable detailed analysis of its conformational preferences, folding dynamics, and intermolecular interactions. Insights gained from such characterization inform the broader understanding of peptide folding principles and contribute to the rational engineering of peptides with tailored structural and functional properties for diverse scientific applications.
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