Predicted to enable several functions, including potassium channel regulator activity; protein phosphatase 2A binding activity; and protein phosphatase inhibitor activity. Involved in dopamine receptor signaling pathway and positive regulation of Ras protein signal transduction. Predicted to be active in cytoplasm. Orthologous to human ARPP19 (cAMP regulated phosphoprotein 19). [provided by Alliance of Genome Resources, Apr 2022]