| Assay Method Information | |
| | Inhibition Assay |
| Description: | The TACE enzyme is an internal production (carried out according to the publication protein Eng Des Sel 2006, 19, 155-161) and is added so as to have a signal equivalent to 6 times the background noise in 2 h at 37° C. The reaction is carried out in 50 mM Tris buffered medium containing 4% glycerol, pH 7.4. The fluorescent substrate is MCA-Pro-Leu-Ala-Val-(Dpa)-Arg-Ser-Ser-Arg-NH2 (R&D systems, reference: ES003). The substrate is cleaved by the enzyme between the alanine and the valine, thus releasing a fluorescent peptide (excitation: 320 nm, emission: 420 nm). The substrate is used at 40 uM. The reaction is carried out in a final volume of 10 ul (4 ul inhibitor, 4 ul substrate, 2 ul enzyme) in a low volume 384-well plate (Corning reference: 3676). The plate is incubated at ambient temperature for 2 h, and then read by fluorescence on a Pherastar reader (BMG labtech). |
| Affinity data for this assay | |
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