Drug Gene Type Source metaproterenol ADRB2 Kd=0.50119(uM) D1 PubChem metaproterenol ADRB2 Kd=4.81(uM) D1 PubChem metaproterenol GLS Potency=7.0795(uM) D1 PubChem metaproterenol PTGER2 - D1 PubChem