Congenital Disorder of Glycosylation, Type Iw, Autosomal Recessive, also known as cdg1war, is related to congenital disorder of glycosylation, type iw, autosomal dominant and stt3a-cdg and stt3b-cdg. An important gene associated with Congenital Disorder of Glycosylation, Type Iw, Autosomal Recessive is STT3A (STT3 Oligosaccharyltransferase Complex Catalytic Subunit A). Related phenotypes are intellectual disability and seizure