| Assay Method Information | |
| | In-Vitro Human Glycolate Oxidase (hGOX) Assay |
| Description: | The in-vitro glycolate oxidase assay was performed using recombinant full-length human hydroxyacid oxidase 1 (HAO1), the equivalents of hGOX. The enzyme was obtained from AbCam (Catalog #ab113144) and was purified using conventional chromatography to >95% purity. Purified HAO1 was dissolved in assay buffer consisting of 10 mM NaCl, 110 mM KCl, 2 mM MgCl2, 50 mM HEPES (pH 7.4), and 0.01% Triton X-100. The assay used Corning 3575 384-well flat bottom, low flange, non-binding surface, black polystyrene plates.Test compounds in DMSO were preincubated at different concentrations with purified recombinant human GO (6 nM) for 10 min, followed by the addition of glycolate substrate (85 μM) to start the reaction. The plates were incubated for 10 min at room temperature, at which point Amplex red reagent (50 μM) was added.The fluorescence intensity signal was measured on a VariosKan LUX instrument using an excitation of 560 nm and an emission of 590 nm. The IC50 values were calculated using Graphpad Prism. |
| Affinity data for this assay | |
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