Predicted to enable G protein-coupled receptor activity and PDZ domain binding activity. Involved in synapse organization. Acts upstream of or within positive regulation of synapse assembly and response to bacterium. Is active in glutamatergic synapse. Is integral component of postsynaptic membrane. Is expressed in heart. Orthologous to human ADGRL2 (adhesion G protein-coupled receptor L2). [provided by Alliance of Genome Resources, Apr 2022]