Tyrosinase
Tyrosinase (388-397) is a synthetic peptide fragment corresponding to amino acid residues 388 to 397 of the tyrosinase enzyme, a copper-containing oxidase that plays a pivotal role in melanin biosynthesis and pigment regulation. As a well-defined peptide sequence derived from a functionally significant region of tyrosinase, it offers a valuable molecular tool for investigating enzyme structure-function relationships, protein-protein interactions, and regulatory mechanisms associated with melanogenesis. The precise sequence and biochemical relevance of this peptide make it particularly suitable for research into enzymatic activity modulation, substrate recognition, and the development of analytical assays within pigment biology and related fields.
Enzyme structure-function analysis: Tyrosinase (388-397) is widely employed in studies aimed at elucidating the structural determinants of tyrosinase activity. By isolating and characterizing this specific peptide segment, researchers can probe its contribution to the overall conformation of the enzyme and its role in substrate binding or catalysis. Such investigations are instrumental in mapping functional domains, identifying critical residues involved in enzymatic activity, and understanding the molecular underpinnings of tyrosinase-mediated oxidation processes.
Epitope mapping and antibody production: The peptide fragment serves as an effective antigen for generating sequence-specific antibodies against tyrosinase. Its defined amino acid sequence enables precise epitope mapping, facilitating the development of monoclonal or polyclonal antibodies for use in immunoassays, Western blotting, and immunohistochemistry. These antibodies are critical for detecting tyrosinase expression, monitoring post-translational modifications, and studying protein localization in various biological samples.
Protein-protein interaction studies: As a representative region of the tyrosinase enzyme, the 388-397 peptide can be utilized in assays designed to investigate molecular interactions between tyrosinase and its regulatory partners. By incorporating the peptide into binding assays or pull-down experiments, researchers can identify and characterize proteins or small molecules that associate with this domain, thereby revealing new insights into the regulation of melanogenic pathways and enzymatic control mechanisms.
Peptide-based inhibitor screening: The synthetic peptide provides a model substrate or competitive inhibitor for in vitro screening of compounds that target tyrosinase activity. Its use in biochemical assays allows for the identification and characterization of molecules that modulate the enzyme's function, supporting the development of novel inhibitors for research applications in pigment biology, enzymology, and biotechnology. Such screening approaches are valuable for dissecting the molecular basis of tyrosinase inhibition and for advancing the discovery of selective modulators.
Analytical assay development: The well-defined nature of Tyrosinase (388-397) makes it an ideal standard or calibration reagent in quantitative peptide-based assays. Its application in mass spectrometry, HPLC, or immunodetection platforms supports the validation of analytical methods and the establishment of robust protocols for peptide quantitation. By providing a reliable reference, the peptide enhances the accuracy and reproducibility of analytical workflows in biochemical research and method development.
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