|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 S is a cysteine proteinase involved in the pathogenesis of autoimmune diseases, atherosclerosis,Cancer, obesity and related diseases. The SensoLyte® 520 Cathepsin S Activity Assay Kit uses a 5-FAM/QXL®520 labeled FRET peptide substrate for measurement ofEnzyme activity. In the intact FRET peptide, the fluorescence of 5-FAM is quenched by QXL® 520. Upon cleavage of the FRET peptide by the activeEnzyme, the increase of fluorescence can be continuously monitored at excitation/emission = 490 nm/520 nm. With superior fluorescence quantum yield and longer emission wavelength, the 5-FAM/QXL® 520 based FRET peptide shows less interference from the autofluorescence of test compounds and cellular components and provides better assay sensitivity. The kit can be used to detect the activity of Cathepsin SEnzyme in biological samples and purifiedEnzyme preparations. The kit contains: , 5-FAM/QXL®520-based FRET peptide substrate (Ex/Em=490/520 nm upon cleavage), Assay buffer , Human spleen Cathepsin S , Inhibitor , Fluorescence reference standard for calibration , A detailed protocol|
|Unit Size:||1 kit|
|Restrictions:||Only available in Germany and selected European countries.|
|Storage:||Component C at -80 °C, all other components at -20 °C|
|More information:||Go to webpage|
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Delivery time approx. 8 - 10 days
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