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. |
Order #: | ASP-AS-72171 |
Unit Size: | 1 kit |
Supplier: | AnaSpec |
Restrictions: | Only available in Germany and selected European countries. |
Shipping: | Dry Ice |
Storage: | - 78 °C |
Subcategory: | Enzyme Assay Kits |
More information: | Go to webpage |
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