Progressive Myoclonus Epilepsy 4, also known as action myoclonus-renal failure syndrome, is related to myoclonic epilepsy of unverricht and lundborg and gaucher's disease. An important gene associated with Progressive Myoclonus Epilepsy 4 is SCARB2 (Scavenger Receptor Class B Member 2), and among its related pathways/superpathways is Degradation pathway of sphingolipids, including diseases. Related phenotypes are nervous system and cardiovascular system