. . . . . . . . . . . . "[The causative gene for hereditary progressive dystonia with marked diurnal fluctuation/dopa-responsive dystonia (HPD/DRD) was discovered in 1994 to be guanosine triphosphate (GTP) cyclohydrolase I, an enzyme involved in tetrahydrobiopterin biosynthesis.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:43:59+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .