Predicted to enable enzyme binding activity and glycogen binding activity. Involved in 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. Is expressed in several structures, including diaphragm; genitourinary system; jaw; nasal capsule; and ventral grey horn. Orthologous to human STBD1 (starch binding domain 1). [provided by Alliance of Genome Resources, Apr 2022]