Article
Hyperphenylalaninemia and 7-pterin excretion associated with mutations in 4a-hydroxy-tetrahydrobiopterin dehydratase/DCoH: analysis of enzyme activity in intestinal biopsies.
Molecular genetics and metabolism - 1 Jul 2000
Ayling J E, Bailey S W, Boerth S R, Giugliani R, Braegger C P, Thöny B, Blau N
Abstract excerpt
Hyperphenylalaninemia, which can cause neurological disorders and mental retardation, results from a mutation in phenylalanine hydroxylase or an enzyme required for biosynthesis or regeneration of its cofactor, tetrahydrobiopterin. The hyperphenylalaninemia variant primapterinuria is characterized by the excretion of 7-biopterin (primapterin). This disorder is thought to be due to a deficiency of...
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