Congenital Disorder of Glycosylation, Type Iy, also known as cdg1y, is related to congenital disorder of glycosylation, type in and microcephaly. An important gene associated with Congenital Disorder of Glycosylation, Type Iy is SSR4 (Signal Sequence Receptor Subunit 4). Affiliated tissues include eye and kidney, and related phenotypes are intellectual disability and global developmental delay