Predicted to enable 5-aminolevulinate synthase activity and identical protein binding activity. Predicted to be involved in erythrocyte development; heme biosynthetic process; and hemoglobin biosynthetic process. Located in mitochondrion. Is expressed in several structures, including adrenal gland; alimentary system; liver; and male reproductive system. Orthologous to human ALAS1 (5'-aminolevulinate synthase 1). [provided by Alliance of Genome Resources, Apr 2022]