Z-Arg-Arg-βNA acetate features a protected di-arginine motif linked to a β-naphthylamide reporter for chromogenic protease assays. The cationic pair enhances recognition by trypsin-like enzymes. Researchers quantify β-naphthylamine release to assess catalytic rates. Applications include enzyme profiling, substrate optimization, and mechanistic analysis.
CAT No: R2595
CAS No:2237216-27-0
Synonyms/Alias:Z-Arg-Arg-|ANA (acetate);Z-Arg-Arg-betaNA;Z-Arg-Arg-|ANA acetate salt;EX-A9235;HY-158307;CS-1051742;2237216-27-0;
Z-Arg-Arg-βNA acetate, also known as Nα-Cbz-Arg-Arg-β-naphthylamide acetate, is a synthetic dipeptidyl substrate widely recognized for its utility in biochemical and enzymological studies. Characterized by the presence of a benzyloxycarbonyl (Z or Cbz) group at the N-terminus and a β-naphthylamide moiety at the C-terminus, this compound is engineered to facilitate the investigation of proteolytic activity, specifically for enzymes that recognize and cleave arginyl-arginine sequences. The acetate salt form enhances its solubility, making it suitable for a range of aqueous and buffered experimental settings. Z-Arg-Arg-βNA acetate is valued for its high specificity and sensitivity, enabling researchers to monitor enzymatic reactions through the release of a fluorescent or chromogenic signal upon substrate cleavage. Its design allows for precise quantification and kinetic analysis, making it a preferred choice in both academic and industrial laboratories focused on protease research.
Protease Activity Assays: Z-Arg-Arg-βNA acetate serves as a highly effective substrate for the detection and quantification of trypsin-like serine proteases, particularly those with specificity for paired arginine residues. When used in enzyme assays, the substrate undergoes hydrolysis by target proteases, resulting in the liberation of β-naphthylamine, which can be measured spectrophotometrically or fluorometrically. This property enables accurate assessment of enzyme activity, inhibitor screening, and kinetic parameter determination in complex biological samples, facilitating the advancement of protease research and inhibitor development.
Enzyme Kinetics and Mechanistic Studies: Nα-Cbz-Arg-Arg-β-naphthylamide acetate is frequently utilized in mechanistic studies to dissect the catalytic properties of proteases. By providing a defined dipeptidyl sequence and a measurable leaving group, it allows researchers to systematically vary experimental conditions and analyze reaction rates, substrate specificity, and enzyme-substrate interactions. This contributes to a deeper understanding of protease function, substrate recognition, and the effects of potential modulators, supporting the rational design of selective enzyme inhibitors.
High-Throughput Screening Platforms: The chromogenic or fluorogenic nature of Z-Arg-Arg-βNA acetate makes it exceptionally well-suited for high-throughput screening applications. Automated assay platforms can leverage its rapid and quantifiable signal generation to evaluate large libraries of compounds for protease inhibitory activity. This accelerates the identification of lead molecules in drug discovery pipelines and supports the optimization of assay conditions for robust, reproducible results across multiple experimental runs.
Biochemical Pathway Elucidation: In studies aimed at mapping proteolytic pathways, Z-Arg-Arg-βNA acetate is employed to pinpoint specific protease activities within complex mixtures such as cell lysates, tissue extracts, or biological fluids. Its selective cleavage by arginine-specific proteases enables researchers to track the presence and activity levels of these enzymes, contributing to the elucidation of signaling cascades, regulatory mechanisms, and physiological roles of proteolysis in various biological systems.
Quality Control in Enzyme Production: For manufacturers and researchers involved in the production and purification of proteolytic enzymes, Z-Arg-Arg-βNA acetate provides a reliable tool for quality control. By incorporating the substrate into activity assays, it is possible to monitor batch-to-batch consistency, assess enzyme potency, and detect the presence of contaminating protease activities. This application ensures the integrity and functionality of enzyme preparations destined for research, diagnostic, or industrial use, ultimately supporting the advancement of protease-related technologies and applications.
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