. . . . . . . . . . . . "[This mechanism may provide a model for phenotype modulation by minor variations in the expression of the wild-type allele in the other three autosomal dominant porphyrias that exhibit incomplete penetrance: acute intermittent porphyria (AIP), variegata porphyria (VP) and hereditary coproporphyria (HC), which are caused by partial deficiencies of hydroxy-methyl bilane synthase (HMBS), protoporphyrinogen oxidase (PPOX) and coproporphyrinogen oxidase (CPO), respectively.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . . "Gene-disease associations manually curated."@en . "DisGeNET evidence - CURATED"@en . "2013-07-24"^^ . "2014-10-02T12:31:59+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .