Orphan receptor. Probably involved in the function of nociceptive neurons. May regulate nociceptor function and/or development, including the sensation or modulation of pain. Potently activated by enkephalins.
G protein-coupled receptor MRGX4; G protein-coupled receptor SNSR5; G protein-coupled receptor SNSR6; Mas-related G-protein coupled receptor member X4; MAS-related GPR; MAS-related GPR, member X4; member X4; MRGPRX4; MRGX4; Sensory neuron-specific G-protein coupled receptor 5/6; SNSR5; SNSR6