Acrokeratosis Verruciformis, also known as hopf disease, is related to darier-white disease and keratosis. An important gene associated with Acrokeratosis Verruciformis is ATP2A2 (ATPase Sarcoplasmic/Endoplasmic Reticulum Ca2+ Transporting 2), and among its related pathways/superpathways is Transport of inorganic cations/anions and amino acids/oligopeptides. Affiliated tissues include skin, and related phenotypes are hyperkeratosis and nail dystrophy