| Phenotype details |
see paper; ..., neonatal onset; truncal hypotonia, spastic tetraparesis, dystonia, epilepsy, microcephaly, delayed psychomotor development, hyperlactatemia; MRI supra-tentorial cortical atrophy, ventricular dilatation, bifrontal white matter abnormalities, delayed myelination, progressive thalamus and putamen cerebral hyperintensities |