功能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.
组织特异性Uniquely localized in a subset of small dorsal root and trigeminal sensory neurons.
序列相似性Belongs to the G-protein coupled receptor 1 family. Mas subfamily.