has material basis in germline mutation in CHRNE congenital myasthenic syndrome postsynaptic congenital myasthenic syndrome congenital myasthenic syndrome 4 2024-07-23T20:59:58Z https://github.com/monarch-initiative/mondo/issues/7831 GARD:0027234 Any postsynaptic congenital myasthenic syndrome in which the cause of the disease is a mutation in the CHRNE gene. MONDO:1040021