. . . . . . . . . . . . "[Mutations in the AP1S2 gene encoding the sigma 2 subunit of the adaptor protein 1 complex are associated with syndromic X-linked mental retardation with hydrocephalus and calcifications in basal ganglia.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-01-25"^^ . . "Gene-disease associations manually curated."@en . "DisGeNET evidence - CURATED"@en . "2016-05-13T12:41:58+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .