Enables G protein-coupled receptor activity. Involved in positive regulation of ERK1 and ERK2 cascade and positive regulation of cholangiocyte proliferation. Predicted to be located in cytoplasm and plasma membrane. Predicted to be part of receptor complex. Biomarker of non-alcoholic steatohepatitis and polycystic kidney disease. Orthologous to human GPBAR1 (G protein-coupled bile acid receptor 1). [provided by Alliance of Genome Resources, Apr 2022]