OVA peptide (ISQAVHAAHAEINEAGR-NH₂)

H-Ile-Ser-Gln-Ala-Val-His-Ala-Ala-His-Ala-Glu-Ile-Asn-Glu-Ala-Gly-Arg-NH2 is a synthetic peptide sequence designed for advanced biochemical and molecular biology research. Comprising 17 amino acids with a C-terminal amidation, this peptide offers a unique primary structure that supports a range of experimental applications. Its sequence, featuring a combination of hydrophobic, polar, and charged residues, provides versatility for investigating protein-protein interactions, receptor binding, and signal transduction pathways. The inclusion of multiple histidine and glutamic acid residues can facilitate studies related to metal ion binding or pH-dependent conformational changes. As a research tool, this peptide is valued for its stability, solubility in aqueous environments, and compatibility with a variety of analytical techniques, making it suitable for both in vitro and in vivo explorations in the laboratory setting.

Peptide-Protein Interaction Studies: H-Ile-Ser-Gln-Ala-Val-His-Ala-Ala-His-Ala-Glu-Ile-Asn-Glu-Ala-Gly-Arg-NH2 serves as an effective probe for elucidating the mechanisms of peptide-protein recognition and affinity. Researchers can utilize this sequence in binding assays, such as surface plasmon resonance or isothermal titration calorimetry, to characterize its interaction with specific proteins or domains. The presence of both hydrophilic and hydrophobic amino acids enables the peptide to mimic natural binding motifs, assisting in the identification of key residues involved in molecular recognition and complex formation. This application is particularly relevant in the study of signaling pathways, where short peptides often act as mediators or modulators of protein activity.

Receptor Ligand Screening: The synthetic peptide can be employed as a candidate ligand in high-throughput receptor screening platforms, aiding in the discovery of novel receptor-peptide interactions. Its sequence diversity, including charged and neutral side chains, allows it to interact with a broad spectrum of receptor types, such as G-protein coupled receptors or ion channels. By incorporating the peptide into fluorescence polarization or radioligand binding assays, scientists can systematically evaluate its potential as a receptor modulator or antagonist. This approach is instrumental in mapping receptor specificity and advancing the understanding of cellular communication networks.

Enzyme Substrate Characterization: The unique arrangement of amino acids within H-Ile-Ser-Gln-Ala-Val-His-Ala-Ala-His-Ala-Glu-Ile-Asn-Glu-Ala-Gly-Arg-NH2 makes it a valuable substrate for enzymatic assays, particularly those involving proteases or peptidases. Researchers can monitor the cleavage or modification of the peptide by specific enzymes, utilizing mass spectrometry or high-performance liquid chromatography to detect reaction products. Such studies yield insights into enzyme specificity, catalytic mechanisms, and potential regulatory roles of the peptide in biological systems. Additionally, the peptide can be modified with fluorescent or chromogenic labels to facilitate real-time monitoring of enzymatic activity.

Structural and Conformational Analysis: This peptide is frequently used in structural biology to investigate secondary structure formation and conformational dynamics. Techniques such as circular dichroism spectroscopy, nuclear magnetic resonance, or molecular dynamics simulations can be applied to assess its propensity for α-helix, β-sheet, or random coil configurations. By analyzing how environmental factors like pH, temperature, or ionic strength influence the peptide's conformation, researchers can gain a deeper understanding of the principles governing peptide folding and stability. These findings are essential for the rational design of peptide-based biomaterials or therapeutics.

Peptide-Based Material Development: H-Ile-Ser-Gln-Ala-Val-His-Ala-Ala-His-Ala-Glu-Ile-Asn-Glu-Ala-Gly-Arg-NH2 is increasingly explored as a building block for the fabrication of novel biomaterials. Its sequence can be incorporated into hydrogels, nanofibers, or self-assembling systems to confer specific functional properties, such as enhanced biocompatibility or controlled release of bioactive agents. By leveraging the peptide's ability to interact with various biological molecules and surfaces, material scientists can engineer platforms for drug delivery, tissue engineering, and biosensing applications. The adaptability of this peptide in material science underscores its value as a multifunctional component in the development of next-generation biomedical technologies.

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