Enables phosphatidylcholine binding activity. Acts upstream of or within insulin secretion. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be part of receptor complex. Predicted to be active in cytoplasm and plasma membrane. Is expressed in colon and ileum. Orthologous to human GPR119 (G protein-coupled receptor 119). [provided by Alliance of Genome Resources, Apr 2022]