Predicted to enable 1,4-alpha-glucan branching enzyme activity. Predicted to be involved in glycogen biosynthetic process. Predicted to be active in cytoplasm. Is expressed in eye; liver; nervous system; and skeletal muscle. Used to study glycogen storage disease IV. Human ortholog(s) of this gene implicated in glycogen storage disease IV and pulmonary tuberculosis. Orthologous to human GBE1 (1,4-alpha-glucan branching enzyme 1). [provided by Alliance of Genome Resources, Apr 2022]