Methionine adenosyl transferase deficiency
Overview
Methionine adenosyltransferase deficiency: A rare inborn error of metabolism characterized by high methionine levels in the blood due to an enzyme deficiency (methionine adenosyltransferase). Most cases are asymptomatic but severe cases with very low enzyme activity can cause neurological symptoms.
Symptoms
High blood methionine level Asymptomatic