Predicted to enable microtubule binding activity. Predicted to be involved in endoplasmic reticulum tubular network organization and mitotic nuclear membrane reassembly. Predicted to be integral component of membrane. Predicted to be active in cytoplasmic microtubule; endoplasmic reticulum membrane; and endoplasmic reticulum tubular network. Orthologous to human REEP3 (receptor accessory protein 3). [provided by Alliance of Genome Resources, Apr 2022]