Enables ion channel inhibitor activity. Involved in negative regulation of hydrogen peroxide-induced neuron death. Acts upstream of or within pigmentation and translation. Located in cytoplasm; dendrite; and neuronal cell body. Is expressed in several structures, including central nervous system; genitourinary system; liver; and spleen. Orthologous to human RACK1 (receptor for activated C kinase 1). [provided by Alliance of Genome Resources, Apr 2022]