Homocystinuria: excretion of a new sulfur-containing amino Acid in urine.
An unusual homocysteine-containing compound, 5-amino-4-imidazolecarboxamide-5'-S-homocysteinylriboside, was isolated from the urine of a child with homocystinuria and detected in the urines of six homocystinurics. Its metabolic origin is not clear, and the data suggest the existence in man of now unknown alternate pathways for the metabolism of methionine and of purines.
Perry
T L
TL
Hansen
S
S
Bar
H P
HP
Macdougall
L
L