Sort the following events to reflect the order in which they take place during the infection of intestinal epithelium by enteropathogenicE. coli. Your answer would be a five-letter string composed of letters A to E only, e.g. BCDAE.
(A) Actin polymerization and pedestal formation
(B) Binding of intimin to Tir
(C) Folding of Tir in the plasma membrane
(D) Insertion of Tir into the epithelial cell
(E) Assembly of type III secretion system