Mondo Description Any non-syndromic X-linked intellectual disability in which the cause of the disease is a mutation in the BRWD3 gene.

Uniprot Description A disorder characterized by significantly below average general intellectual functioning associated with impairments in adaptive behavior and manifested during the developmental period. Intellectual deficiency is the only primary symptom of non-syndromic X-linked mental retardation, while syndromic mental retardation presents with associated physical, neurological and/or psychiatric manifestations. MRX93 is associated with macrocephaly.