The assay is PUBCHEM_BIOASSAY: Fluorescence-based counterscreen assay for S1P4 antagonists: Cell-based dose response high throughput screening assay to identify antagonists of the Sphingosine 1-Phosphate Receptor 1 (S1P1). (Class of assay: confirmatory) [Related pubchem assays: 1524 (Confirmation screen.), 1510 (Primary screen.)] , and it is Direct single protein target assigned . The assay has properties: assay category is confirmatory ; assay organism is Homo sapiens ; assay type description is Functional . Is the molecule effective to this assay?