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10.1038/s41401-020-0478-3 Acta Pharmacol Sin
Clinical Orthopaedics and Related Research, 2000
The dependence of tyrosine hydroxylase on BH 4 necessitates the coupling to the action of dihydropteridine reductase (encoded by the QDPR gene: quinoid dihydropteridine reductase) as is the situation for tryptophan hydroxylase (see below) and phenylalanine hydroxylase
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