View source for Im2

{{STRUCTURE_2no8 |  PDB=2no8  |  SCENE= Im2/Normal/1 }}
Im2 is the immunity protein against [[Colicin E2]], produced by the cell at the same time to protect itself from the DNase activity of the cytotoxic domain of ColE2. It is released when the [[Colicin]] binds to a cell surface receptor of a target cell.