The D2-like receptors are a subfamily of dopamine receptors that bind the endogenousneurotransmitterdopamine. The D2-like subfamily consists of three G-protein coupled receptors that are coupled to Gi/Go and mediate inhibitoryneurotransmission, of which include D2, D3, and D4. For more information, please see the respective main articles of the individual subtypes:
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Cell surface receptor: G protein-coupled receptors