Gaba Aminotransferase Deficiency, also known as gamma-aminobutyric acid transaminase deficiency, is related to succinic semialdehyde dehydrogenase deficiency and gaba-transaminase deficiency, and has symptoms including lethargy An important gene associated with Gaba Aminotransferase Deficiency is ABAT (4-Aminobutyrate Aminotransferase), and among its related pathways/superpathways are Pyruvate metabolism and TCA cycle III (animals). Affiliated tissues include brain, and related phenotypes are Reduced mammosphere formation and mortality/aging