Term Name:	gamma-glutamyl transpeptidase deficiency
Synonyms:	gamma-glutamyl transferase deficiency, GGT deficiency, GGT1 deficiency, glutathionuria, GTG deficiency
Definition:	An amino acid metabolic disorder characterized by accumulation of glutathione in the plasma and urine that has_material_basis_in homozygous or compound heterozygous mutation in GGT1 on 22q11.23.
Ontology:	Human Disease [DOID:0111257]   ( DOID:0111257 )