| Assay Method Information | |
| | Enzyme Activity Assay |
| Description: | The purpose of this test is to test the in vitro inhibitory activities of the compounds against LSD1. The enzyme used in this experiment was human LSD1, and the standard substrate was histone H3(1-21)K4me2 peptide (10 μM). HCI-2509 (SP2509) was used as reference compound, and the fluorescence coupling enzyme assay was employed. The production of FAD-dependent H2O2 as a result of demethylase activity of LSD1 was measured by coupling with HRP and Amplex Red. Compounds as well as control compound HCl-2509 were tested in 10-dose IC50 mode with a 3-fold serial dilution in duplicate starting at 10 μm. All compounds were pre-incubated 30 mins with enzyme before added substrate to start reaction. Fluorescence measurement: Ex/Em=535/590 by EnVision. |
| Affinity data for this assay | |
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