. . . . . . . . . . . . "[Porphyria cutanea tarda (PCT) is a metabolic disorder of heme biosynthesis, characterized by reduced uroporphyrinogen decarboxylase (UROD) activity and increased urinary excretion of eight and seven carboxyl group porphyrins.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2013-07-24"^^ . . "Gene-disease associations manually curated."@en . "DisGeNET evidence - CURATED"@en . "2014-10-02T12:32:14+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .