Predicted to enable enzyme binding activity and glycogen binding activity. Predicted to be involved in glycophagy and intracellular transport. Predicted to be located in T-tubule; endoplasmic reticulum; and perinuclear region of cytoplasm. Predicted to be integral component of plasma membrane. Predicted to be active in membrane. Orthologous to human STBD1 (starch binding domain 1). [provided by Alliance of Genome Resources, Apr 2022]