Myopathy, Lactic Acidosis, and Sideroblastic Anemia, also known as myopathy with lactic acidosis and sideroblastic anemia, is related to myopathy, lactic acidosis, and sideroblastic anemia 3 and myopathy, lactic acidosis, and sideroblastic anemia 2. An important gene associated with Myopathy, Lactic Acidosis, and Sideroblastic Anemia is PUS1 (Pseudouridine Synthase 1), and among its related pathways/superpathways are Peptide chain elongation and tRNA Aminoacylation.