| Phenotype details |
see paper; ..., intrauterine growth retardation; birth length -4SD, weight -2SD, OFC -4SD); 1m-feeding difficulties; gastro-oesophageal reflux; 18m-febrile seizures, myoclonic type; atonic seizures, 3y- tonic-clonic generalised seizures; episodes of vomiting, anorexia and dehydration; 14y- ID, severe microcephaly (length -2SD, weight -2SD, OFC -6SD), severe speech delay (few words), facial dysmorphism (thick lower lip, mild hypotelorism, hypoplastic ear lobes); evidence hand stereotypies |