Matrilysin (96-107)

Matrilysin (96-107) is a synthetic peptide fragment derived from the human matrix metalloproteinase-7 (MMP-7), commonly referred to as matrilysin. As a segment corresponding to amino acid residues 96 through 107 of the parent protein, this peptide encompasses a region of functional and structural significance within the enzyme's catalytic domain. MMP-7 is a member of the matrix metalloproteinase family, which is critically involved in the regulated degradation of extracellular matrix components and plays a pivotal role in tissue remodeling, cell migration, and various physiological and pathological processes. The Matrilysin (96-107) peptide is frequently utilized in biochemical and molecular biology research to probe the specific activities, substrate interactions, and regulatory mechanisms of MMP-7, as well as to investigate broader metalloproteinase functions in extracellular matrix biology.

Enzyme activity assays: Matrilysin (96-107) serves as a valuable substrate or competitive inhibitor in in vitro assays designed to characterize the enzymatic activity of MMP-7 and related metalloproteinases. By incorporating this peptide into fluorometric, colorimetric, or mass spectrometry-based assays, researchers can monitor substrate cleavage, assess enzyme kinetics, and determine inhibitor specificity. Its defined sequence enables precise mapping of proteolytic sites and facilitates the development of robust activity assays for basic research and high-throughput screening applications.

Protein-protein interaction studies: As a representative fragment of the MMP-7 catalytic domain, this peptide is employed to elucidate binding interactions between matrilysin and potential regulatory partners, substrates, or inhibitors. Utilizing techniques such as surface plasmon resonance, isothermal titration calorimetry, or pull-down assays, investigators can explore the affinity and specificity of binding events that govern metalloproteinase function. These studies are instrumental in dissecting the molecular determinants of enzyme regulation and in guiding the rational design of selective modulators.

Structural and conformational analysis: The Matrilysin (96-107) peptide provides a model system for investigating the secondary structure, folding dynamics, and conformational flexibility of regions within the MMP-7 molecule. Using nuclear magnetic resonance (NMR) spectroscopy, circular dichroism, or molecular dynamics simulations, researchers can characterize the peptide's structural motifs and assess how sequence variations influence its behavior. Insights gained from such studies contribute to a deeper understanding of metalloproteinase architecture and inform the design of structure-based inhibitors.

Antibody production and epitope mapping: As a well-defined peptide antigen, Matrilysin (96-107) is used in the generation of polyclonal or monoclonal antibodies targeting the corresponding region of MMP-7. These antibodies are invaluable tools for detecting native or recombinant matrilysin in immunoassays, western blotting, and immunohistochemistry. Furthermore, the peptide enables precise mapping of antibody epitopes, aiding in the selection and validation of highly specific immunoreagents for research and diagnostic applications.

Cell signaling and extracellular matrix research: The peptide fragment is employed in cellular studies to probe the role of MMP-7-derived sequences in modulating cell behavior, signaling pathways, and extracellular matrix remodeling. By introducing the peptide into cell culture systems, researchers can assess its influence on processes such as cell adhesion, migration, and invasion, as well as its potential to modulate signaling cascades associated with tissue repair and remodeling. These investigations provide mechanistic insights into metalloproteinase-mediated regulation of cellular microenvironments and support the development of novel research tools for extracellular matrix biology.

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