Developmental and Epileptic Encephalopathy 73, also known as epileptic encephalopathy, early infantile, 73, is related to developmental and epileptic encephalopathy 48. An important gene associated with Developmental and Epileptic Encephalopathy 73 is RNF13 (Ring Finger Protein 13). Affiliated tissues include eye and brain, and related phenotypes are seizure and spasticity