| Phenotype details |
see paper; ..., pregnancy unremarkable, birth-39w, weight 4.95kg (99th); height 162cm (12th), weight 60kg (52nd), OFC 57cm (91st); severe global developmental delay, profound intellectual disability (IQ<20); no developmental regression; 10y-walk, self-feeding, can not hold light things; delayed speech, babbling; vision disturbed at night, no hearing loss; dysmorphic features, Marfanoid and elongated face, disordered teeth, low subcutaneous fat, scarring skin; central tone mild hypotonia; peripheral tone moderate hypotonia; no muscle atrophy; normal plantar response; no seizures; mute; MRI 1.6y-bilateral incomplete hippocampal rotation |