Peptides

Peptides Peptides are versatile research tools generated and purified by various suppliers for biological research. Many gene-specific peptides are conjugated to labels like biotin, polyhistidine, DDK, and GST for detection in various assays. Peptides are often used in Western blotting and immunocytochemistry to analyze protein expression and localization. In ELISA and other immunoassays, peptides help detect and quantify proteins or other molecules. Peptides that interact with specific proteins (such as binding or inhibition) can be used to study signaling pathways and protein functions. Blocking or immunizing peptides can be used to neutralize antibody binding sites and assess non-specific binding. In apoptosis assays, specific peptides are used to study cell death mechanisms, contributing to cancer research and drug development. Visit the peptide supplier page for more information, including sequence length, species reactivity, and method of production.

Peptides

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Recent Product Review

  • Bright and Specific S62-74 Epitope CD4+ T cell Tetramer for Identification of Spike Protein

    The PE conjugated S62 Tetramer has been working really well for identifying CD4+ T cells that respond to the ancestral Spike protein from SARS-CoV-2 in vaccinated B6 mice. I tested the PE-conjugated tetramer at dilutions 1:50, 1:100, 1:200 and 1:400 as well as the unrelated I-A(b) human CLIP 87-101 tetramer. I use this tetramer at 1:400 dilution at room temperature for minimal background and great separation between populations.

  • Bright and Specific CD8 T Cell Tetramer for Identification of Spike Protein Specific CD8+ T Cells

    The APC-conjugated S539 Tetramer has been working well for identifying CD8+ T cells that respond to the Spike protein from SARS-CoV-2 in vaccinated B6 mice. I used a PE-conjugated tetramer specific to the Ova peptide as a negative control and saw that the S539 tetramer is highly specific. I use this tetramer at 1:150 dilution and it has given me great separation.