Progressive Myoclonus Epilepsy 7, also known as myoclonus epilepsy and ataxia due to potassium channel mutation, is related to myoclonic epilepsy of unverricht and lundborg and myoclonus epilepsy. An important gene associated with Progressive Myoclonus Epilepsy 7 is KCNC1 (Potassium Voltage-Gated Channel Subfamily C Member 1). Affiliated tissues include lung and brain.