Predicted to enable GTPase activator activity. Predicted to be involved in signal transduction. Predicted to act upstream of or within G protein-coupled receptor signaling pathway. Located in nucleus. Is expressed in several structures, including alimentary system; genitourinary system; hemolymphoid system gland; lung; and nervous system. Orthologous to human RGS3 (regulator of G protein signaling 3). [provided by Alliance of Genome Resources, Apr 2022]