Selective peptide inhibitor of GluR2 subunit (at the C-terminal PDZ site) binding to PICK1, which does not have an effect on binding of GluA2 to GRIP or ABP, and does not increase AMPA current amplitude or affect long term depression (LTD).
pep2-EVKI is a synthetic peptide designed for advanced biochemical and molecular biology research applications, particularly in the study of protein-protein interactions and signaling pathways. As a custom-engineered peptide sequence, it offers precise control over experimental variables, making it a valuable tool for dissecting cellular mechanisms at the molecular level. Its defined structure and sequence specificity allow researchers to interrogate key protein domains, investigate post-translational modifications, and facilitate the development of new assays. The utility of pep2-EVKI extends across a range of experimental systems where peptide-based probes or modulators are required to elucidate complex biological processes.
Protein interaction analysis: In protein biochemistry, synthetic peptides like pep2-EVKI are frequently employed as molecular probes to study the binding affinities and specificities of protein domains. By mimicking natural interaction motifs or introducing targeted sequence variations, this peptide enables the mapping of critical residues involved in protein-protein recognition. Such studies are pivotal for understanding the molecular basis of signal transduction, scaffolding, and regulatory mechanisms within cells, providing insights that can drive the rational design of inhibitors or modulators for research use.
Kinase substrate identification: Many synthetic peptides are designed to serve as substrates for kinases or phosphatases in in vitro assays. In this context, pep2-EVKI can be utilized to assess the substrate specificity of serine/threonine or tyrosine kinases, supporting the characterization of enzyme activity and the identification of novel phosphorylation events. By incorporating this peptide into kinase assays, researchers can systematically evaluate enzyme kinetics, screen for potential modulators, and delineate pathway-specific signaling events that are central to cellular regulation.
Assay development: The precise sequence and chemical properties of pep2-EVKI make it suitable for the development and optimization of biochemical assays, including enzyme-linked immunosorbent assays (ELISAs), fluorescence polarization, or surface plasmon resonance (SPR) studies. Its defined structure allows for consistent and reproducible assay performance, facilitating the quantification of enzyme activities, binding events, or competitive interactions. Such assay systems are essential for high-throughput screening, mechanistic studies, and the validation of experimental hypotheses in both academic and industrial research environments.
Peptide-based inhibitor screening: Researchers often use synthetic peptides as competitive inhibitors or decoys to study the functional consequences of disrupting specific protein interactions or enzymatic processes. By introducing pep2-EVKI into cellular or cell-free systems, investigators can probe the functional relevance of target motifs, evaluate the specificity of binding partners, and identify compounds that modulate key molecular interactions. This approach is instrumental in elucidating the regulatory architecture of signaling networks and can inform the design of next-generation molecular tools for research applications.
Structural and conformational studies: The defined sequence of pep2-EVKI also lends itself to structural biology investigations, such as nuclear magnetic resonance (NMR) spectroscopy or X-ray crystallography. By serving as a model system for studying peptide folding, secondary structure formation, or peptide-ligand interactions, it provides a platform for gaining atomic-level insights into the determinants of molecular recognition and stability. Such studies contribute to a deeper understanding of the structural principles governing protein function and interaction specificity in complex biological systems.
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5. An Open-label, Single-center, Safety and Efficacy Study of Eyelash Polygrowth Factor Serum
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