Jagged-1 (188-204) TFA is a fragment of the Jagged-1 (JAG-1) protein. JAG-1 is a Notch ligand highly expressed in cultured and primary multiple myeloma (MM) cells. JAG-1 induces maturation of monocyte-derived human dendritic cells.
CAT No: R1858
Jagged-1(188-204)TFA is a synthetic peptide fragment derived from the Notch ligand Jagged-1, corresponding to amino acids 188 through 204 and supplied as the trifluoroacetate salt. As a segment of a key signaling protein involved in the Notch pathway, this peptide is of significant interest for researchers investigating cellular communication, differentiation, and developmental processes. Its defined sequence and biochemical properties make it a valuable reagent for probing the molecular mechanisms of Notch signaling, as well as for exploring peptide-receptor interactions and downstream signaling events in various experimental systems.
Peptide-receptor interaction studies: Jagged-1(188-204)TFA is frequently employed to elucidate the molecular basis of ligand-receptor recognition within the Notch signaling pathway. By introducing this peptide into in vitro or cell-based assays, researchers can assess its ability to modulate or mimic the activity of the native Jagged-1 protein, providing insights into the binding dynamics and specificity of ligand-Notch receptor engagement. Such studies are crucial for mapping functional domains within Jagged-1 and for dissecting the structural requirements needed for effective signaling.
Signal transduction research: The defined sequence of this peptide enables detailed investigation of downstream signaling events triggered by Notch pathway activation. Scientists utilize Jagged-1(188-204)TFA in various model systems to stimulate or inhibit Notch-dependent transcriptional responses, thereby unraveling the functional consequences of ligand presentation. These experiments support the identification of key regulatory nodes within the pathway and advance understanding of how extracellular cues are translated into cellular responses.
Peptide structure-activity relationship analysis: The availability of a discrete Jagged-1 fragment allows for systematic evaluation of structure-activity relationships (SAR) within the context of Notch ligand function. By comparing the biological activity of Jagged-1(188-204)TFA with other peptide fragments or full-length protein, researchers can pinpoint critical amino acid residues and sequence motifs that govern biological efficacy. Such SAR studies are fundamental for rational peptide design and for the development of novel modulators of Notch signaling.
Biochemical assay development: The peptide serves as a standardized tool for the development and optimization of biochemical assays targeting Notch pathway components. Its use facilitates the calibration of binding assays, competitive inhibition studies, and affinity measurements, enabling robust and reproducible quantification of molecular interactions. This contributes to assay standardization and enhances the reliability of experimental outcomes in both academic and industrial research settings.
Cellular differentiation models: Investigators leverage Jagged-1(188-204)TFA in cell culture systems to interrogate the role of Notch signaling in lineage commitment and differentiation. By modulating the exposure of cells to this peptide, it is possible to explore how discrete ligand fragments influence cell fate decisions, proliferation, and morphogenetic events. These studies provide valuable models for understanding developmental biology, tissue engineering, and the molecular underpinnings of cell specification.
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