Enables phosphatidylcholine binding activity. Acts upstream of or within G protein-coupled receptor signaling pathway and cellular calcium ion homeostasis. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be active in cytoplasm and plasma membrane. Is expressed in central nervous system; gut; and liver. Used to study obesity. Orthologous to human GPR12 (G protein-coupled receptor 12). [provided by Alliance of Genome Resources, Apr 2022]