Monarch Disease Ontology id MONDO_0012448 (hereditary spastic paraplegia 33) is any hereditary spastic paraplegia in which the cause of the disease is a mutation in the ZFYVE27 gene. Also known as: SPG33, ZFYVE27 hereditary spastic paraplegia, autosomal dominant spastic paraplegia 33, hereditary spastic paraplegia caused by mutation in ZFYVE27, hereditary spastic paraplegia type 33.