The USP20 Inhibitor Screening Assay Kit is a 96-well format fluorogenic assay designed to measure the activity of the deubiquitinating (DUB) enzyme USP20 for screening and profiling applications. To determine the effect of an inhibitor on USP20 activity, the enzyme should be preincubated with or without the test inhibitor prior to adding the Ub-AMC substrate to the reaction. The assay was functionally validated using Ub-Aldehyde, a potent inhibitor of DUB subfamilies Ubiquitin C-terminal Hydrolases (UCHs), Ubiquitin-Specific Proteases (USPs), Ovarian Tumor Proteases (OTU), and Machado-Josephin Domain (MJD) proteases.Figure 1: Illustration of the assay principle.Ubiquitin-AMC is a fluorogenic substrate for ubiquitin hydrolases based on the C-terminus derivatization of ubiquitin with 7-amido-4-methylcoumarin (AMC) . In the conjugated form, the energy emitted from fluorochrome AMC is quenched. Upon proteolysis, AMC is no longer quenched and emits fluorescence with λexcitation/ λemission maxima of 350/460 nm. The increase in fluorescence is proportional to the DUB activity.Need us to run inhibitor screens or profile your compounds against USP20? Check out ourProtease Screening ServicesorUbiquitination Screening Services.
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Număr Catalog 421-78840CategorieAfaceri și industrie > Știință și laboratorFurnizorBPS BioscienceGentaurDimensiune96 ReactionsTipsingle
