| Phenotype details |
see paper; .., birt at term, weight 3750g, length 54cm, OFC 34cm; neonatal hypotonia, partial seizures; 4m-severe hypotonia, no active posture, decreased tendon reflezes; no craniofacial dysmorphism, psychomotor retardation, no retinopathy/optic atrophy, no white matter demyelination, no impaired hearing; 1y-polymicrogyria;2.6y-walk with support, psychomotor delay, mildly deaf |