Predicted to enable identical protein binding activity. Predicted to be involved in positive regulation of glycogen (starch) synthase activity; positive regulation of glycogen biosynthetic process; and response to insulin. Predicted to be located in cytoplasmic side of endoplasmic reticulum membrane and nucleus. Orthologous to human EPM2AIP1 (EPM2A interacting protein 1). [provided by Alliance of Genome Resources, Apr 2022]