Predicted to enable G protein activity and GTP binding activity. Involved in positive regulation of peptide hormone secretion and regulation of systemic arterial blood pressure by atrial natriuretic peptide. Predicted to be located in plasma membrane. Is expressed in several structures, including brain; heart; myotome; neural tube; and retina. Orthologous to human RASL10B (RAS like family 10 member B). [provided by Alliance of Genome Resources, Apr 2022]