Rhodopsin-like receptors Relaxin/insulin-like family peptide receptor 4 Rhodopsin Relaxin/insulin-like family peptide receptor 1 Relaxin receptor Relaxin/insulin-like family peptide receptor 3 Relaxin/insulin-like family peptide receptor 2 Opsin GPR141 Vertebrate visual opsin GPR142 Biogenic amine receptor RRH List of biomolecules GPR150 Secretin receptor family GPR146 G protein-coupled receptor Melanopsin GPR152 Histamine H4 receptor GPR32 GPR153 Retinal G protein coupled receptor GPR162 GPR148 TAAR9 GPR135 Chemokine receptor OPN5 GPR139 Signaling peptide receptor OPN3 Prostaglandin DP1 receptor Urotensin-II receptor Vomeronasal receptor Prostaglandin D2 receptor Platelet-activating factor receptor Pros…

staglandin receptor Histamine H1 receptor Olfactory receptor Melanocortin receptor Prostaglandin EP1 receptor GPR119 Histamine H2 receptor Adhesion G protein-coupled receptor Prostaglandin F receptor Neuropeptide S receptor Prostaglandin EP2 receptor Angiotensin II receptor type 1 Prostacyclin receptor Prostaglandin EP3 receptor OPN1LW 5-HT4 receptor Prostaglandin EP4 receptor Luteinizing hormone/choriogonadotropin receptor Free fatty acid receptor 1 Beta-2 adrenergic receptor Free fatty acid receptor 4 GPER Adenosine A2A receptor TAAR1 Oxytocin Thrombin receptor Bombesin receptor Neurotransmit

ter receptor Anaphylatoxin receptors GPCR neuropeptide receptor TAS2R12 Flamingo (protein) Proton-sensing G protein-coupled receptors Vasoactive intestinal peptide receptor GPR137B Glucagon receptor family Insulin-like growth factor receptor GABA receptor Orphan receptor Olfactory tubercle OPN1MW2 Class C GPCR Frizzled MAS1 oncogene Melanin-concentrating hormone receptor Corticotropin-releasing hormone receptor Bradykinin receptor Methuselah-like proteins Endothelin receptor Brain-specific angiogenesis inhibitor Prokineticin receptor Galanin receptor Neuromedin U receptor TAAR3 Neurotensin receptor GNRHR2 Formyl peptide receptor GABAB receptor Neuropeptide B/W receptor Neuropeptide FF rec