Ziptide is a designed peptide motif with alternating polar and hydrophobic residues that stabilize specific binding surfaces. Its conformation adapts to protein cavities while maintaining structural integrity. Researchers use it as a versatile ligand in screening assays. Applications include PPI modeling, motif discovery, and sequence optimization.
CAT No: R2812
Synonyms/Alias:Ziptide, substrate; Zipper interacting protein kinase; ZIPK; death-associated protein kinase 3; DAPK3, serine/threonine kinase, maternal embryonic leucine zipper kinase; MELK; H-KKLNRTLSFAEPG-OH; KKLNRTLSFAEPG; SP-020; SP020
Ziptide is a synthetic peptide compound recognized for its distinctive sequence and functional properties in biochemical research. As a member of the peptide family, Ziptide is engineered to interact with specific protein targets, making it a valuable tool in the exploration of cellular signaling pathways and receptor-ligand interactions. Its structural design enables precise modulation of biological processes, which is instrumental in dissecting complex molecular mechanisms. Widely utilized in the fields of molecular biology, pharmacology, and cell biology, Ziptide provides researchers with a reliable means to probe peptide-mediated functions and to develop novel assay systems.
Signal transduction studies: Ziptide serves as a potent probe in the investigation of protein kinase C (PKC) signaling pathways. Due to its ability to act as a substrate or modulator for PKC isoforms, it enables researchers to delineate the role of PKC in cellular processes such as proliferation, differentiation, and apoptosis. By incorporating this peptide into in vitro kinase assays, scientists can quantitatively assess PKC activity, evaluate substrate specificity, and elucidate downstream phosphorylation events critical to signal transduction research.
Enzyme kinetics and inhibitor screening: The peptide's defined sequence and susceptibility to phosphorylation make it an optimal substrate for kinetic analyses of kinase activity. In enzymology laboratories, Ziptide is frequently employed to determine kinetic parameters, such as Km and Vmax, for various PKC isoforms. Furthermore, it is instrumental in high-throughput screening platforms for identifying and characterizing small molecule inhibitors or activators of PKC, supporting the discovery and validation of regulatory compounds that modulate kinase function.
Cellular assay development: Ziptide is widely incorporated into cell-based and biochemical assay systems designed to monitor intracellular signaling dynamics. Its compatibility with fluorescence- or radiolabel-based detection methods allows for sensitive quantification of phosphorylation events within live cells or lysates. Through integration into multiplexed assay formats, the peptide supports the assessment of pathway activation, cross-talk, and cellular responses to external stimuli, thereby enhancing the resolution and throughput of functional studies.
Peptide-protein interaction research: As a model substrate, Ziptide facilitates detailed analysis of peptide recognition and binding specificity by protein kinases and associated regulatory proteins. Researchers utilize it in binding assays, co-immunoprecipitation experiments, and structural studies to map interaction sites, characterize binding affinities, and investigate the molecular determinants of substrate recognition. These insights are essential for advancing understanding of protein-peptide interactions and for guiding the rational design of novel modulatory peptides.
Analytical method calibration: The well-characterized nature of Ziptide renders it a reliable standard for calibrating analytical techniques such as high-performance liquid chromatography (HPLC) and mass spectrometry. Laboratories employ the peptide to optimize separation conditions, validate detection sensitivity, and ensure reproducibility in peptide quantification workflows. Its use as a reference compound strengthens quality control processes and supports the development of robust analytical protocols for peptide-based research applications.
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