Homocystinuria-Megaloblastic Anemia, Cble Complementation Type, also known as methylcobalamin deficiency type cble, is related to homocystinuria-megaloblastic anemia cble type, and has symptoms including seizures An important gene associated with Homocystinuria-Megaloblastic Anemia, Cble Complementation Type is MTRR (5-Methyltetrahydrofolate-Homocysteine Methyltransferase Reductase). Affiliated tissues include bone marrow and liver, and related phenotypes are global developmental delay and megaloblastic bone marrow