Adenylyl cyclase activators & Gs family proteins
5-HT4, 5-HT6 and 5-HT7 serotonergic receptors
Adenosine receptor types A2a and A2b
Adrenocorticotropic hormone receptor (a.k.a. MC2R)
Arginine vasopressin receptor 2
β-adrenergic receptors types β1, β2 and β3
Calcitonin receptor
Calcitonin gene-related peptide receptor
Corticotropin-releasing hormone receptor
Dopamine D1 and D5 receptors
Follicle-stimulating hormone receptor
Gastric inhibitory polypeptide receptor
Glucagon receptor
Growth-hormone-releasing hormone receptor
Histamine H2 receptor
Luteinizing hormone/choriogonadotropin receptor
Melanocortin receptor: MC1R, MC2R (a.k.a. ACTH receptor), MC3R, MC4R, MC5R
Olfactory receptors, through Golf in the olfactory neurons
Parathyroid hormone receptors PTH1R and PTH2R
Prostaglandin receptor types D2 and I2
Secretin receptor
Thyrotropin receptor
Trace amine-associated receptor 1
Vasopressin receptor 2
Adenylyl cyclase inhibitors & Gi/o subunits:
5-HT1 and 5-HT5 serotonergic receptors
Acetylcholine M2 & M4 receptors
Adenosine A1 & A3 receptors
Adrenergic α2A, α2B, & α2C receptors
Apelin receptors
Calcium-sensing receptor
Cannabinoid receptors (CB1 and CB2)
Chemokine CXCR4 receptor
Dopamine D2, D3 and D4 receptors
GABAB receptor
Glutamate mGluR2, mGluR3, mGluR4, mGluR6, mGluR7, & mGluR8 receptors
Histamine H3 & H4 receptors
Melatonin MT1, MT2, & MT3 receptors
Hydroxycarboxylic acid receptors: HCA1, HCA2, & HCA3
Opioid δ, κ, μ, & nociceptin receptors
Prostaglandin EP1, EP3, FP, & TP receptors
Short chain fatty acid receptors: FFAR2 & FFAR3
Somatostatin sst1, sst2, sst3, sst4 & sst5 receptors
Trace amine-associated receptor 8