title: Interaction of colicin E4 with specific receptor sites mediates its cleavage into two fragments inactive towards whole cells.
mesh_terms: D001665:Binding Sites; D003087:Colicins / Q000276:immunology / Q000378:metabolism*; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000378:metabolism; D007457:Iodine Radioisotopes; D007700:Kinetics
chemical_list: D003087:Colicins; D007457:Iodine Radioisotopes