umls-concept:C0034798 | skos:definition | MSH: Cell-surface proteins that bind dopamine with high affinity and trigger intracellular changes influencing the behavior of cells.,CSP: family of G protein-coupled receptors of two general classes: D1 (- A, -B) stimulation increases intracellular cAMP, whereas D2, D3, or D4 stimulation decreases cAMP, increases K+ flux, or decreases Ca++ flux. | lld:umls |