Epidermolysis Bullosa Simplex 4, Localized or Generalized Intermediate, Autosomal Recessive, is also known as ebs4. An important gene associated with Epidermolysis Bullosa Simplex 4, Localized or Generalized Intermediate, Autosomal Recessive is EXPH5 (Exophilin 5). Affiliated tissues include skin, and related phenotypes are hyperkeratosis and abnormal blistering of the skin