Assay Method Information

Assay Name:  Enzyme Inhibition
Description:  The inhibitory activities of compounds of the invention against the GSK 3α enzyme isoform (Invitrogen), are evaluated by determining the level of activation/phosphorylation of the target peptide. The GSK3-α protein (500 ng/mL, 2.5 μL) is mixed with the test compound (2.5 μL at either 4 μg/mL, 0.4 μg/mL, 0.04 μg/mL, or 0.004 μg/mL) for 2 hr at RT. The FRET peptide (8 μM, 2.5 μL), which is a phosphorylation target for GSK3α, and ATP (40 μM, 2.5 μL) are then added to the enzyme/compound mixture and the resulting mixture incubated for 1 hr. Development reagent (protease, 5 μL) is added for 1 hr prior to detection in a fluorescence microplate reader (Varioskan® Flash, ThermoFisher Scientific).
Affinity data for this assay

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