Congenital Disorder of Glycosylation, Type Ik, also known as cdg1k, is related to alg1-congenital disorder of glycosylation and congenital disorder of glycosylation, type in. An important gene associated with Congenital Disorder of Glycosylation, Type Ik is ALG1 (ALG1 Chitobiosyldiphosphodolichol Beta-Mannosyltransferase). Affiliated tissues include liver and brain, and related phenotypes are intellectual disability and seizure