Lysophosphatidic acid receptor Rhodopsin-like receptors Relaxin receptor LPAR3 LPAR2 LPAR1 Relaxin/insulin-like family peptide receptor 1 Relaxin/insulin-like family peptide receptor 3 LPAR5 Relaxin/insulin-like family peptide receptor 2 LPAR4 Relaxin/insulin-like family peptide receptor 4 LPAR6 Lysophospholipid receptor GPR63 GPR45 S1PR3 Signaling peptide receptor Sphingosine-1-phosphate receptor P2RY2 CD97 Free fatty acid receptor 1 P2Y receptor Biogenic amine receptor Thrombin receptor Bombesin receptor Neurotransmitter receptor GPCR neuropeptide receptor Anaphylatoxin receptors Vomeronasal receptor Secretin receptor family Olfactory tubercle O…

Orphan receptor OPN1MW2 Class C GPCR Vasoactive intestinal peptide receptor Flamingo (protein) Proton-sensing G protein-coupled receptors TAS2R12 MAS1 oncogene Glucagon receptor family Adhesion G protein-coupled receptor Insulin-like growth factor receptor GABA receptor Olfactory receptor GPR137B Melanin-concentrating hormone receptor Bradykinin receptor Methuselah-like proteins Frizzled Corticotr

opin-releasing hormone receptor Formyl peptide receptor Brain-specific angiogenesis inhibitor Endothelin receptor TAAR9 Neuropeptide B/W receptor Neuropeptide FF receptor Parathyroid hormone receptor Super Conserved Receptor Expressed in Brain Neuromedin U receptor TAAR3 Neurotensin receptor GABAB receptor Prokineticin receptor Galanin receptor GNRHR2 TAS2R45 VN1R3 GPR148 GPR78 Motilin receptor Cholecystokinin receptor EMR3 GPR152 TAS2R8 Angiotensin II receptor Vertebrate visual opsin GPR144 S1PR5 GPR111 GPR112 VN1R4 GPR31 VN1R5 Protease-activated receptor TAS2R5 Neuropeptide Y receptor Melatonin