Ehlers-Danlos Syndrome, Classic Type, 2, also known as ehlers-danlos syndrome, type ii, is related to nail-patella syndrome and classic ehlers-danlos syndrome. An important gene associated with Ehlers-Danlos Syndrome, Classic Type, 2 is COL5A2 (Collagen Type V Alpha 2 Chain), and among its related pathways/superpathways are Nervous system development and Integrin Pathway. Affiliated tissues include skin and lung, and related phenotypes are congenital hip dislocation and talipes equinovarus