| Namespace | disease_ontology | Obsolete | false |
| description | A dystonia characterized by sustained muscle contractions with diurnal fluctuations, axial hypotonia, oculogyric crises, delays in motor and cognitive development and severe dopamine and serotonin deficiencies that has_material_basis_in mutation in the SPR gene on chromosome 2p resulting in sepiapterin reductase deficiency. |