Carcinoembryonic antigen-related cell adhesion molecule 5 (61-69)

Carcinoembryonic antigen-related cell adhesion molecule 5 (61-69) is a synthetic peptide fragment derived from the CEACAM5 protein, a member of the carcinoembryonic antigen family widely recognized for its role in cell adhesion and intercellular signaling. As a defined peptide sequence corresponding to amino acids 61 through 69 of the CEACAM5 molecule, it offers a precise biochemical tool for researchers investigating the structure, function, and interactions of this clinically significant glycoprotein. The peptide's sequence specificity enables detailed exploration of protein-protein interactions, epitope mapping, and functional assays, making it a valuable resource for basic and applied research in cell biology, oncology, and immunology.

Epitope mapping: The defined sequence of this peptide is ideally suited for epitope mapping studies, allowing researchers to identify antibody binding sites and characterize immune recognition patterns associated with CEACAM5. By incorporating the peptide into immunoassays, scientists can dissect the antigenic determinants within the parent protein, supporting the development of highly specific antibodies and advancing the understanding of immune responses to CEACAM5 in various biological contexts.

Protein-protein interaction analysis: As a functional motif within the CEACAM5 molecule, the 61-69 peptide fragment serves as a model substrate for investigating intermolecular interactions involving the parent protein. Researchers can utilize this peptide in binding assays, surface plasmon resonance studies, or pull-down experiments to elucidate the molecular partners and binding affinities relevant to cell adhesion processes and signaling pathways mediated by CEACAM5. Such studies provide critical insights into the molecular mechanisms underlying cell-cell communication and tumor progression.

Peptide-based assay development: The availability of a well-defined CEACAM5 peptide fragment supports the design and optimization of peptide-based assays, including enzyme-linked immunosorbent assays (ELISAs) and competitive binding formats. Incorporating this sequence into assay platforms enables sensitive and specific detection of antibodies or binding proteins targeting the corresponding region of CEACAM5, facilitating quantitative and qualitative analysis in research and diagnostic development settings.

Structural and conformational studies: Utilizing this peptide fragment allows for detailed examination of the local secondary structure and conformational properties of the CEACAM5 protein. Researchers can employ spectroscopic techniques such as circular dichroism or nuclear magnetic resonance to investigate the folding, stability, and dynamic behavior of the peptide in solution. These studies contribute to a more comprehensive understanding of the structural features that govern the biological activity and molecular recognition of CEACAM5.

Peptide synthesis and modification research: The 61-69 fragment provides a model system for exploring synthetic strategies and chemical modifications relevant to CEACAM5-derived peptides. Scientists can use the sequence as a template to evaluate novel synthetic methodologies, introduce site-specific modifications, or generate labeled derivatives for use in imaging, tracking, or affinity enrichment applications. Such efforts expand the toolkit available for advanced peptide research and functional studies involving cell adhesion molecules.

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