Adenosine receptor Adenosine A1 receptor Adenosine A2A receptor Adenosine A2B receptor Relaxin receptor Adenosine A3 receptor Neohormone Relaxin/insulin-like family peptide receptor 1 Relaxin/insulin-like family peptide receptor 3 Relaxin/insulin-like family peptide receptor 2 Relaxin/insulin-like family peptide receptor 4 List of biomolecules Rhodopsin-like receptors P2Y receptor Purinergic receptor P2RY10 P2RY2 P2Y12 Prostaglandin DP1 receptor Signaling peptide receptor P2RY1 P2RY13 P2RY8 P2RY4 OXGR1 P2RY11 Asprosin GPR114 LPAR6 P2RY14 GPR97 GPR32 P2RY6 Melatonin receptor 1A Growth hormone–releasing hormone GPR35 Dopamine receptor Growth hormone secretagogue receptor Corticotro…

opin-releasing hormone receptor 2 5-HT1D receptor GPR126 Natriuretic peptide GPR65 Parathyroid hormone 1 receptor Neuromodulation CALCRL G protein-coupled receptor 5-HT2C receptor Opioid receptor Dopamine receptor D1 Adrenergic receptor Eicosanoid receptor Adrenaline Beta-2 adrenergic receptor Beta-1 adrenergic receptor Hydroxycarboxylic acid receptor 2 Metabotropic glutamate receptor Nociceptin receptor Luteinizing hormone Secretin Dopamine receptor D5 Cannabinoid receptor 2 Dopamine receptor D2 Prostaglandin EP3 receptor Growth hormon

e 5-HT2A receptor Hypothalamic–pituitary–somatotropic axis Lonapegsomatropin Human placental lactogen Biogenic amine receptor Thrombin receptor Bombesin receptor GPCR neuropeptide receptor Anaphylatoxin receptors Neurotransmitter receptor Secretin receptor family TAS2R12 Olfactory tubercle Orphan receptor OPN1MW2 Class C GPCR Adhesion G protein-coupled receptor Insulin-like growth factor receptor Glucagon receptor family GABA receptor Olfactory receptor Flamingo (protein) Proton-sensing G protein-coupled receptors Somatostatin receptor MAS1 oncogene GPR137B Vomeronasal receptor Bradykinin receptor Methuselah-like proteins Frizzled Vasoactive intestinal peptide receptor Melanin-concen