Protein SSX2 (37-54)

Protein SSX2 (37-54) is a synthetic peptide fragment derived from the SSX2 protein, a member of the synovial sarcoma X breakpoint protein family. This peptide encompasses amino acid residues 37 to 54, representing a region of the protein that is of significant interest in molecular biology and cancer research. The SSX2 protein family is characterized by its involvement in transcriptional regulation, chromatin remodeling, and oncogenic fusion events, particularly in synovial sarcoma and other malignancies. As a well-defined peptide segment, Protein SSX2 (37-54) serves as a valuable tool for dissecting protein-protein interactions, mapping functional domains, and investigating post-translational modifications within the SSX2 protein context.

Epitope mapping: Researchers frequently utilize this peptide fragment for fine epitope mapping studies. By providing a defined sequence corresponding to a specific region of SSX2, it enables the identification of antibody binding sites and aids in the characterization of immune recognition patterns. Such mapping is essential for the generation and validation of monoclonal or polyclonal antibodies targeting SSX2, which are pivotal tools in both basic research and diagnostic assay development.

Protein-protein interaction studies: The SSX2 (37-54) peptide is instrumental in elucidating interaction motifs within the SSX2 protein. Investigators can employ it in binding assays to screen for interacting partners, such as transcriptional regulators or chromatin-associated factors. Its defined sequence allows for the dissection of minimal binding domains, supporting the identification of critical residues necessary for molecular recognition and complex formation, which is fundamental to understanding SSX2's role in oncogenic processes.

Post-translational modification analysis: This peptide segment serves as a model substrate for in vitro enzymatic assays designed to study post-translational modifications, such as phosphorylation, methylation, or acetylation. By exposing the peptide to modifying enzymes, researchers can investigate site-specific modifications and their functional consequences, thereby providing insights into regulatory mechanisms that may govern SSX2 activity or stability in cellular contexts.

Synthetic peptide controls: In experimental workflows, Protein SSX2 (37-54) functions as a reliable synthetic control. It can be incorporated into quantitative mass spectrometry protocols, immunoassays, or peptide competition experiments to validate assay specificity and performance. The use of a chemically defined peptide standard ensures reproducibility and accuracy in analytical applications, contributing to robust data generation in proteomics and immunology.

Peptide-based screening: The SSX2 (37-54) sequence is also employed in high-throughput screening platforms to identify small molecules, peptides, or other agents capable of modulating SSX2-associated pathways. By serving as a target in binding or inhibition assays, it facilitates the discovery of novel research probes and molecular tools that can modulate SSX2 function, offering valuable insights into the biological significance of this protein region and its potential role in cellular signaling networks.

1. The effect of sex on immune responses to a homocitrullinated peptide in the DR4-transgenic mouse model of Rheumatoid Arthritis

2. A possible role of tachykinin-related peptide on an immune system activity of mealworm beetle, Tenebrio molitor L

3. Immune responses to homocitrulline-and citrulline-containing peptides in rheumatoid arthritis

4. GLP-1, exendin-4 and C-peptide regulate pancreatic islet microcirculation, insulin secretion and glucose tolerance in rats

5. High fat diet and GLP-1 drugs induce pancreatic injury in mice