| Namespace | disease_ontology | Obsolete | false |
| description | An amino acid metabolic disorder characterized delayed psychomotor development with delayed walking, moderately to severely impaired intellectual development, and poor or absent speech that has_material_basis_in homozygous or compound heterozygous mutation in the GPT2 gene on chromosome 16q11.2. Postnatal microcephaly and spastic paraplegia are also common. |
