The assigned single protein target for the DRUGMATRIX assay is the potassium channel HERG. The assay properties include: the use of [3H] Astemizole as the radioligand binding ligand, HEK293 as the assay cell type, membrane as the assay subcellular fraction, in vitro as the assay test type, and binding as the assay type description. Does the molecule show effectiveness in this assay?