tetrahydropterin
National Institutes of Health
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Human tyrosine hydroxylase exists as four isoforms (hTH1–4), generated by alternative splicing of pre-mRNA, with tissue-specific…
Four patients in three families with “peripheral” tetrahydrobiopterin deficiency were investigated. They were characterized…
6-Pyruvoyl-tetrahydropterin synthase, which catalyzes the first step in the conversion of 7,8-dihydroneopterin triphosphate to…
The biosynthesis of two tetrahydropterin intermediates (H4pterin-1 and H4pterin-2), their conversion to tetrahydrobiopterin, and…
Phenylalanine hydroxylase can catalyze the oxidation of its tetrahydropterin cofactor without concomitant substrate hydroxylation…
The oxidation of tetrahydropterins and 7,8-dihydropterins by ferric iron has been examined by both polarographic and spectral…