Epidermolysis Bullosa simplex is because of defect in:
High-Yield Explanation
Epidermolysis Bullosa simplex : defect in K5 and K14
Epidermolysis Bullosa Junctionalis : defect in Laminin
Epidermolysis Bullosa Dystrophica : defect in collagen 7
Epidermolysis Bullosa Acquisita : absence of collagen 7