# | Aladdin ID | Assay Type | Description | Organism | Compounds | Reference | BAO Format | Source | |
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1. | ALA3706205 | B | Enzyme Inhibition Assay: HSL enzyme activity was measured by a colorimetric assay using 2,3-dimercapto-1-propanol tributyrate (Aldrich, St. Louis, Mo.) as a substrate. Typically, 1.5 mM 2,3-dimercapto-1-propanol tributyrate (DMPT) in 100 mM MOPS, pH 7.2, 0.2 mg/ml fatty acid-free BSA was prepared by sonication at 4° C. to homogenous suspension. Test compounds (2 mM stock in DMSO) were diluted 3 fold in series in DMSO. Compound solutions were diluted 24 fold in 1.5 mM DMPT containing solution and 18 ul per well was added to 384-well microplates (Corning Costar). Twelve microliters per well of human HSL (15 ug/ml) was added and the reaction mixture was incubated at 37° C. for 20 minutes. Six microliters of 12 mM dithio-bis-(2-nitrobenzoic acid) (DTNB) in DMSO plus 1.2% SDS and 0.6% Triton X-100 were added and the mixture was incubated at room temperature for 15 minutes. | Homo sapiens | 12 | single protein format | BindingDB Database |