Glycoprotein (276-286) is a Db-restricted peptide derived from lymphocytic choriomeningitis virus (LCMV) glycoprotein (GP), corresponds to amino acids 276-286.
Glycoprotein 276-286 is a synthetic peptide fragment derived from a specific region of a viral or cellular glycoprotein, precisely corresponding to amino acids 276 through 286. As a defined peptide epitope, it serves as a valuable molecular tool for dissecting protein-protein interactions, immune recognition, and structural determinants within glycoproteins. Its sequence specificity and biochemical stability render it particularly suitable for applications in immunological research, epitope mapping, and the development of peptide-based assays. The scientific relevance of this peptide lies in its capacity to model a biologically significant region of a parent glycoprotein, enabling researchers to investigate functional motifs, antibody binding, and cellular responses in controlled experimental systems.
Epitope mapping: As a well-defined peptide sequence, Glycoprotein 276-286 is frequently utilized in epitope mapping studies to identify the precise binding sites of monoclonal or polyclonal antibodies. By exposing immune sera or antibody preparations to this peptide, investigators can determine whether antibody recognition is directed toward the 276-286 region of the parent glycoprotein. Such mapping is critical for vaccine development, immune monitoring, and the design of diagnostic reagents, as it clarifies the antigenic landscape and informs the selection of immunodominant regions.
T-cell response assays: The peptide is widely employed in immunological assays designed to assess T-cell reactivity, particularly in the context of antigen presentation and cellular immunity. When presented by major histocompatibility complex (MHC) molecules on antigen-presenting cells, this sequence can stimulate specific CD4+ or CD8+ T-cell populations, depending on the context and organism. Researchers use it to evaluate the magnitude and specificity of T-cell responses, which is essential for immunogenicity studies, vaccine candidate screening, and fundamental investigations into host-pathogen interactions.
Peptide-MHC binding studies: Glycoprotein 276-286 serves as a model ligand in binding assays that characterize the interaction between peptide antigens and MHC molecules. By synthesizing and testing this peptide with various MHC alleles, researchers can elucidate the structural requirements for stable peptide-MHC complex formation. These studies are instrumental in immunogenetics, as they inform predictions of population-level immune responses and guide the rational design of peptide-based immunotherapies or diagnostic tools.
Structural and biophysical analysis: The defined nature of the 276-286 peptide fragment allows for its use in structural biology and biophysical experiments. Techniques such as NMR spectroscopy, X-ray crystallography, or circular dichroism can be applied to study the conformational preferences of the peptide in solution or in complex with antibodies or receptors. Insights gained from such analyses contribute to understanding the structural determinants of glycoprotein function, antigenicity, and molecular recognition.
Peptide-based assay development: Glycoprotein 276-286 is also incorporated into a variety of in vitro assay platforms, including ELISA, surface plasmon resonance, and bead-based multiplex systems. Its use as a capture or detection reagent facilitates the quantitative measurement of specific antibodies or T-cell responses in biological samples. These assays are integral to basic immunology research, vaccine evaluation, and the monitoring of immune status in experimental models, providing sensitive and reproducible means to probe antigen-specific responses.
If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.
Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.
From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.
Read More