SensoLyte® 520 MMP-3 Assay Kit Fluorimetric - 1 kit

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  • Cat.Number : AS-71152
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    In stock
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Matrix metalloproteinases (MMPs) belong to a family of secreted or membrane-associated proteins capable of digesting extracellular matrix components. The importance of MMPs in tumor development and invasion and other diseases is well known. MMP-3 (stromelysin-1, transin-1) is proposed as a potential therapeutic target.
SensoLyte® 520 MMP-3 Assay Kit uses a 5-FAM (fluorophore) and QXL520™ (quencher) labeled FRET peptide substrate for continuous measurement of the enzyme activities. This substrate showed excellent specificity to MMP-3 with minimal cross-reaction with MMP-1, 2, 7, 8, 9, 13 and 14. In an intact FRET peptide, the fluorescence of 5-FAM is quenched by QXL520™. Upon the cleavage of the FRET peptide by MMP-3, the fluorescence of 5-FAM is recovered, and can be continuously monitored at excitation/emission = 490 nm/520 nm. With superior fluorescence quantum yield and longer emission wavelength, 5-FAM/QXL520™ based FRET peptide is less interfered by the autofluorescence of test compounds and cellular components and provides better assay sensitivity.


Kits components
  • Component A: MMP-3 substrate 5-FAM/QXL™520 FRET peptide Ex/Em=490 nm/520 nm upon cleavage: 60 µL Component B: 5-FAM-Pro-Leu-OH, fluorescence reference standard Ex/Em=490 nm/520 nm: 1 mM, 10 µL Component C: APMA, 4-aminophenylmercuric acetate (Caution: Organic mercury. Handle with care! Do not dispose into sink!): 1 M, 20 µL Component D: Assay buffer: 20 mL Component E: Stop solution: 10 mL
UniProt number
  • P08254
Absorbance (nm)
  • 490
Emission (nm)
  • 520
Storage & stability
Storage Conditions
  • Store all components at -20°C. Protect components A and B from light. Components D and E can be stored at 4 °C for convenience.
Biomarker Target
Detection Method
Detection Limit
  • 20 ng/ml
Research Area
Sub-category Research Area
  • Research use

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