Biotinoyl-Tripeptide-1 trifluoroacetate is a labeled tripeptide incorporating a biotin moiety to facilitate affinity-based interactions. The peptide backbone supports studies of ligand anchoring, folding, and protein-binding specificity. Researchers apply it in structural profiling and conjugation strategies. The TFA salt improves solubility for analytical applications.
CAT No: R2206
CAS No:2828433-27-6
Synonyms/Alias:Biotinoyl-Tripeptide-1 trifluoroacetate;2828433-27-6;G70431;
Biotinoyl-Tripeptide-1 trifluoroacetate is a synthetic peptide conjugate composed of a tripeptide sequence covalently linked to biotin and stabilized as its trifluoroacetate salt. As a multifunctional biomolecule, it combines the biochemical properties of both biotin and a bioactive peptide, making it particularly valuable in peptide research, protein modification studies, and biochemical assay development. The unique structure of this compound allows for targeted interactions with biotin-binding proteins, such as avidin or streptavidin, while simultaneously enabling the investigation of peptide-mediated biological processes. Its versatility and structural features have positioned it as a useful reagent in a range of experimental and analytical applications across molecular biology, biochemistry, and biotechnology disciplines.
Peptide functionalization: Biotinoyl-Tripeptide-1 trifluoroacetate is frequently employed as a model system for studying peptide functionalization strategies. The biotin moiety provides a convenient handle for affinity capture and immobilization, allowing researchers to investigate the effects of site-specific biotinylation on peptide structure, stability, and biological activity. This enables the development and optimization of protocols for labeling, purification, and detection of peptides in complex biological samples, supporting advances in proteomics and peptide engineering.
Affinity assay development: In the context of affinity-based assays, this biotinylated tripeptide serves as an effective probe for the design and calibration of streptavidin- or avidin-based detection systems. Its high-affinity interaction with biotin-binding proteins facilitates the creation of sensitive and specific assays for the quantification or localization of peptide ligands. Researchers utilize the compound to validate assay performance, optimize binding conditions, and establish robust platforms for high-throughput screening or diagnostic research.
Protein-peptide interaction studies: The conjugated structure of this molecule enables detailed exploration of protein-peptide interactions, particularly in systems where biotin-mediated immobilization is required. By anchoring the peptide to solid supports or biosensor surfaces via the biotin group, scientists can systematically analyze binding kinetics, specificity, and affinity between the tripeptide segment and target proteins. Such studies provide valuable insights into molecular recognition, signal transduction, and the design of peptide-based modulators.
Peptide synthesis and analytical validation: Biotinoyl-Tripeptide-1 trifluoroacetate is also utilized as a reference standard and functional test substrate in peptide synthesis laboratories. Its defined sequence and biotinylation pattern make it a useful control for validating synthetic protocols, assessing coupling efficiency, and troubleshooting purification or analytical workflows. The compound's well-characterized properties facilitate the calibration of chromatographic and mass spectrometric methods, ensuring reliable identification and quantification of biotinylated peptides.
Cellular uptake and localization research: In cell biology and imaging studies, this biotin-conjugated peptide can be applied to monitor cellular uptake, trafficking, and localization of peptide constructs. By leveraging the strong biotin-streptavidin interaction, researchers can fluorescently label or capture the internalized peptide, enabling visualization and quantification within cellular compartments. Such applications contribute to the understanding of peptide delivery mechanisms, receptor-mediated endocytosis, and the intracellular fate of bioactive peptides in vitro.
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