participates in synaptic transmission, dopaminergic response to amphetamine norepinephrine-epinephrine vasoconstriction involved in regulation of systemic arterial blood pressure cellular calcium ion homeostasis adenylate cyclase-activating dopamine receptor signaling pathway chemical synaptic transmission transmission of nerve impulse wound healing response to cocaine phospholipase C-activating dopamine receptor signaling pathway cellular response to catecholamine stimulus D(1B) dopamine receptor Homo sapiens protein D(1B) dopamine receptor (human) PR:P21918 UniProtKB:P21918 DRD5 Category=organism-gene. protein hDRD5 dopamine D5 receptor (human) D(5) dopamine receptor (human) DRD1L2 DTO:02100085 D1beta dopamine receptor (human) Reactome:R-HSA-390832 DRD1B A D(1B) dopamine receptor that is encoded in the genome of human.