has material basis in germline mutation in disease has major feature SLC39A8 syndromic intellectual disability congenital nervous system disorder congenital disorder of glycosylation type II SLC39A8-CDG https://github.com/monarch-initiative/mondo/issues/5588 https://www.malacards.org/card/congenital_disorder_of_glycosylation_type_iin congenital disorder of glycosylation type 2n CDG-IIn DOID:0070266 OMIM:616721 Orphanet:468699 UMLS:C4225234 GARD:0017846 MONDO:0014746 congenital disorder of glycosylation type IIn CDG2N CDG syndrome type IIn SLC39A8 deficiency carbohydrate deficient glycoprotein syndrome type IIn MEDGEN:899837 congenital disorder of glycosylation, type IIn multiple congenital anomalies/dysmorphic syndrome-intellectual disability developmental anomaly of metabolic origin disorder of protein N-glycosylation central nervous system malformation hereditary neurological disease