Ehlers-Danlos Syndrome, Periodontal Type, 2, also known as ehlers-danlos syndrome, periodontal type 2, is related to periodontal ehlers-danlos syndrome and ehlers-danlos syndrome. An important gene associated with Ehlers-Danlos Syndrome, Periodontal Type, 2 is C1S (Complement C1s), and among its related pathways/superpathways are Complement cascade and Diseases of hemostasis. Affiliated tissues include skin and colon, and related phenotypes are gingival recession and gingival fragility