Intellectual Developmental Disorder, X-Linked, Syndromic, Nascimento Type, also known as mental retardation, x-linked, syndromic, nascimento type, is related to syndromic x-linked intellectual disability nascimento type, and has symptoms including seizures and dry skin. An important gene associated with Intellectual Developmental Disorder, X-Linked, Syndromic, Nascimento Type is UBE2A (Ubiquitin Conjugating Enzyme E2 A). Affiliated tissues include skin and pons, and related phenotypes are dry skin and wide mouth