Intellectual Developmental Disorder, Autosomal Dominant 56, also known as autosomal dominant intellectual developmental disorder 56, is related to psoriasis 15 and hypercholesterolemia, familial, 4. An important gene associated with Intellectual Developmental Disorder, Autosomal Dominant 56 is CLTC (Clathrin Heavy Chain), and among its related pathways/superpathways are Golgi-to-ER retrograde transport and Vesicle-mediated transport. Affiliated tissues include brain and kidney, and related phenotypes are intellectual disability and global developmental delay