| Namespace | disease_ontology | Obsolete | false |
| description | A congenital disorder of glycosylation I that is characterized by severe developmental and psychomotor delay, muscular hypotonia, intractable early-onset seizures, and microcephaly and has_material_basis_in homozygous or compound heterozygous mutation in the gene encoding beta-1,4-mannosyltransferase on chromosome 16p13. |
