Developmental and Epileptic Encephalopathy 64, also known as dee64, is related to early infantile epileptic encephalopathy and developmental and epileptic encephalopathy. An important gene associated with Developmental and Epileptic Encephalopathy 64 is RHOBTB2 (Rho Related BTB Domain Containing 2). Affiliated tissues include brain and eye, and related phenotypes are intellectual disability and seizure