Dopamine receptors 3 (Giros et al. 1990) and 4 (Van Tol et al. 1991) are members of the D2-like dopamine receptor family. Once activated, these receptors couple with the G protein alpha-i subtype which directly inhibits cAMP formation by inhibition of the enzyme adeylate cyclase.
Van Tol, HH, Bunzow, JR, Guan, HC, Sunahara, RK, Seeman, P, Niznik, HB, Civelli, O
Giros, B, Martres, MP, Sokoloff, P, Schwartz, JC
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