| Assay Method Information | |
| | Biochemical Fluorescence Intensity Kinetic Assay/Biochemical Fluorescence Intensity Assay |
| Description: | USP30 Biochemical Fluorescence Intensity Kinetic Assay.Reactions were performed in duplicate in black 384 well plates (small volume, Greiner 784076) in a final reaction volume of 21 μl. USP30 CD (Boston Biochem E-582 or 57-517, #64-0057-050 Ubiquigent) was diluted in reaction buffer (40 mM Tris, pH 7.5, 0.005% Tween 20, 0.5 mg/ml BSA, 5 mM beta-mercaptoethanol) to the equivalent of 0, 0.0005, 0.001, 0.005, and 0.01 μl/well. Buffer was optimised for optimal temperature, pH, reducing agent, salts, time of incubation, and detergent. Reactions were initiated by the addition of Ubiquitin-Rhodamine 110 (U-555, Boston Biochem) at a final concentration of 100 nM. Reactions were incubated at room temperature and read every 2 min for 120 min. Readings were performed on a Pherastar Plus (BMG Labtech). Excitation 487 nm; λ Emission 535 nm.USP30 Biochemical Fluorescence Intensity IC50 AssayDilution plates were prepared at 21 times the final concentration (2100 μM for a final concentration of 100 μM) in 50% DMSO in a 96-well polypropylene V-bottom plate (Greiner #651201). A typical 8-point dilution series would be 100, 30, 10, 3, 1, 0.3, 0.1, 0.03 μM final. Reactions were performed in duplicate in black 384 well plates (small volume, Greiner 784076) in a final reaction volume of 21 μl. Either 1 μl of 50% DMSO or diluted compound was added to the plate. USP30 was diluted in reaction buffer (40 mM Tris, pH 7.5, 0.005% Tween 20, 0.5 mg/ml BSA, 5 mM beta-mercaptoethanol) to the equivalent of 0.001 μl/well and 10 μl of diluted USP30 was added to the compound. Enzyme and compound were incubated for 30 min at room temp. Reactions were initiated by the addition of Ubiquitin-Rhodamine 110 (U-555; Boston Biochem) at a final concentration of 100 nM. Reactions were read immediately after addition of substrate and following a 2 h incubation at room temperature. Readings were performed on a Pherastar Plus (BMG Labtech). λ Excitation 487 nm; 2 Emission 535 nm. |
| Affinity data for this assay | |
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