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Assay Kits  >  Cathepsin Assay Kits  >>  SensoLyte® 520 Cathepsin K Assay Kit *Fluorimetric*

Product Name SensoLyte® 520 Cathepsin K Assay Kit *Fluorimetric*
Size 1 kit
Catalog # 72171
US$ $501
Description

Cathepsins are a class of globular lysosomal proteases playing a vital role in mammalian cellular turnover. They degrade polypeptides and are distinguished by their substrate specificities. Cathepsin K is the lysosomal cysteine protease involved in bone remodeling and resorption. It has potential as a drug target in autoimmune diseases and osteoporosis.

The SensoLyte® 520 Cathepsin K Activity Assay Kit uses a QXL® 520/HiLyte™ Fluor 488 FRET peptide substrate for the measurement of enzyme activity. In the intact FRET peptide, the fluorescence of HiLyte™ Fluor 488 is quenched by QXL® 520. Upon cleavage of the FRET peptide by the active enzyme, the increase of fluorescence can be continuously monitored at excitation/emission = 490/520 nm. The fluorescent signal from HiLyte™ Fluor 488 is stable at low pH, which is optimal for cathepsin activity. The kit can be used to detect the activity of Cathepsin K enzyme in biological samples and purified enzyme preparations.

The kit contains:
• QXL® 520/HiLyte™ Fluor 488-based FRET peptide substrate (Ex/Em=490/520 nm upon cleavage)
• Assay buffer
• Procathepsin K
• Activation buffer
• Inhibitor
• Fluorescence reference standard for calibration
• A detailed protocol

Kit size: 100 assays (96-well plate)

Detailed Information Datasheet
Material Safety Data Sheets (MSDS)
Storage -20°C
     
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