DRD3(redirected from Dopamine Receptor D3)
Also found in: Acronyms.
DRD3A gene on chromosome 3q13.3 that encodes G protein-coupled dopamine receptor D3, which inhibits adenylyl cyclase. D3 dopamine receptor localises to the limbic areas of the brain, which are associated with cognitive, emotional, and endocrine functions.
Molecular pathology Genetic variants of DRD3 cause essential tremor hereditary type 1 .