. . . . . . . . . . . . "[The most frequent form is X-linked sideroblastic anaemia, caused by mutations of delta-aminolevulinic acid synthase 2 (ALAS2), the enzyme that catalyses the first and regulatory step of haem synthesis in erythroid precursors and is post-transcriptionally controlled by the iron regulatory proteins.]. 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 . "2014-10-02T12:32:01+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .