function:Orphan receptor.,similarity:Belongs to the G-protein coupled receptor 1 family.,tissue specificity:Expressed in brain, detected in the basal forebrain, frontal cortex, caudate, putamen, thalamus and hippocampus.,function:Orphan receptor.,similarity:Belongs to the G-protein coupled receptor 1 family.,tissue specificity:Expressed in brain, detected in the basal forebrain, frontal cortex, caudate, putamen, thalamus and hippocampus.,