Hereditary cystathioninuria is caused by deficiency of the activity of cystathionine gamma-lyase, which is normally required for the conversion of methionine into cysteine. Patients with cystathioninuria may have mild to moderate hyperhomocysteinemia.
Category
Inherited metabolic disorder
Brite
Human diseases in ICD-11 classification [BR:br08403]
05 Endocrine, nutritional or metabolic diseases
Metabolic disorders
Inborn errors of metabolism
5C50 Inborn errors of amino acid or other organic acid metabolism
H00182 Cystathioninuria
Pathway-based classification of diseases [BR:br08402]
Amino acid metabolism
nt06030 Methionine metabolism
H00182 Cystathioninuria