Smcy HY Peptide (738-746) is a H2-Db-restricted peptide corresponding to amino acids 738-746 of Smcy protein.
CAT No: R1681
CAS No:207113-06-2
Synonyms/Alias:Smcy HY Peptide 738-746;Smcy HY Peptide (738-746);207113-06-2;HY-P1899;CS-0097989;G13458;
Smcy HY Peptide 738-746 is a synthetic peptide fragment derived from the murine Smcy protein, specifically encompassing amino acids 738 to 746 of the sequence. As a well-characterized peptide epitope, it plays a pivotal role in immunological and molecular biology research, particularly within the context of antigen presentation and T cell recognition. The defined sequence of this peptide makes it a valuable tool for dissecting antigen-specific immune responses, especially those related to the HY minor histocompatibility antigen system in mice. Its precise biochemical properties and immunogenic relevance have established it as an essential reagent in studies focused on cellular immunity, transplantation biology, and peptide-MHC interactions.
Immunological Assays: Smcy HY Peptide 738-746 is widely utilized as a model antigenic epitope in immunological assays designed to evaluate T cell specificity and activation. Through its ability to bind to major histocompatibility complex (MHC) molecules, the peptide facilitates the generation and analysis of peptide-MHC complexes, enabling detailed studies of T cell receptor (TCR) recognition and antigen-specific immune responses. This makes it instrumental in the functional assessment of cytotoxic T lymphocytes (CTLs) and in the validation of immunological reagents or transgenic mouse models expressing defined TCRs.
Transplantation Research: In the field of transplantation biology, the peptide serves as a critical tool for investigating minor histocompatibility antigen disparities that can drive graft rejection or tolerance. By providing a well-defined HY antigenic determinant, the peptide allows researchers to model and quantify immune responses against male-specific antigens in female recipients, thereby elucidating the mechanisms underlying allogeneic and gender-mismatched transplant outcomes. Such studies contribute to the understanding of immune surveillance, tolerance induction, and the development of strategies to modulate graft-versus-host reactions.
Epitope Mapping: The defined sequence of this peptide enables precise epitope mapping studies, facilitating the identification of TCR contact residues and MHC-binding motifs. Researchers employ the peptide in combination with mutagenesis or structural analyses to dissect the fine specificity of T cell recognition, contributing to the broader understanding of antigen processing and presentation. This application supports the rational design of altered peptide ligands or immunomodulatory agents for experimental use.
Peptide-MHC Binding Studies: The Smcy HY Peptide 738-746 sequence is particularly valuable in quantitative and qualitative analyses of peptide-MHC binding affinity and stability. By serving as a reference ligand in binding assays, it aids in the characterization of MHC class I peptide-binding preferences and the development of predictive algorithms for epitope selection. Such studies are fundamental to immunoinformatics, vaccine design, and the optimization of synthetic peptide-based reagents.
Peptide Synthesis and Analytical Controls: As a synthetic peptide with a well-characterized sequence, Smcy HY Peptide 738-746 is employed as a control or standard in peptide synthesis validation and analytical method development. Its use in high-performance liquid chromatography (HPLC), mass spectrometry, or peptide purification protocols ensures reliable benchmarking and quality assessment of peptide production processes. These applications are crucial for maintaining consistency and reproducibility in experimental workflows involving synthetic peptides.
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