Mondo Description Any hereditary spastic paraplegia in which the cause of the disease is a mutation in the AP4B1 gene.

Uniprot Description A form of spastic paraplegia, a neurodegenerative disorder characterized by a slow, gradual, progressive weakness and spasticity of the lower limbs. SPG47 is characterized by neonatal hypotonia that progresses to hypertonia and spasticity, and severe mental retardation with poor or absent speech development.

Disease Ontology Description A hereditary spastic paraplegia that has_material_basis_in mutation in the AP4B1 gene on chromosome 1p13.