The GPX4 Fluorogenic Assay Kit is a fluorogenic assay designed to measure GPX4 (glutathione peroxidase 4) activity for screening and profiling applications. The assay kit comes in a convenient 96-well format, with enough purified recombinant GPX4, Glutathione, Cumene Hydroperoxide, NADPH, Glutathione Reductase, and GPX4 Assay Buffer for 100 reactions.Figure 1: Mechanism of detection used in the GXP4 Assay Kit.GXP4 activity is measured indirectly. GXP4 converts reduced glutathione (GSH) to oxidized glutathione (GSSG) by reducing hydroperoxide (ROOH) . GSSG is then converted back to its reduced form by glutathione reductase (GR) in the presence of NAPDH, which is converted into NADP+. NADPH is intrinsically fluorescent, a property lost upon oxidation to NADP+. The decrease in fluorescence (exc λ=340 nm; em λ=450 nm) observed is proportional to the amount of GSSH available for conversion by GR, and to GXP4 activity.
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Număr Catalog 421-82165CategorieAfaceri și industrie > Știință și laboratorFurnizorBPS BioscienceGentaurDimensiune96 ReactionsTipsingle
