Epilepsy, X-Linked 2, with or Without Impaired Intellectual Development and Dysmorphic Features, is also known as epilx2. An important gene associated with Epilepsy, X-Linked 2, with or Without Impaired Intellectual Development and Dysmorphic Features is GABRA3 (Gamma-Aminobutyric Acid Type A Receptor Subunit Alpha3). Related phenotypes are intellectual disability and micrognathia