. . . . . . . . . . . . "[Methionine adenosyltransferase (MAT) I/III deficiency, caused by mutations in the MAT1A gene, is characterized by persistent hypermethioninemia without elevated homocysteine or tyrosine.]. 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" .