assay:809003 | assay:description | PubChem BioAssay. Counterscreen for biased ligands (agonists) of the melanocortin 4 receptor (MC4R): Luminescence-based cell-based high throughput dose response assay to identify agonists of heterodimerization of the mu 1 (OPRM1) and delta 1 (OPRD1) opioid receptors. (Class of assay: confirmatory) | lld:chembl |