The LEE1 promoters from both enteropathogenic and enterohemorrhagic Escherichia coli can be activated by PerC-like proteins from either organism.
Porter ME, Mitchell P, Free A, Smith DG, Gally DL. The LEE1 promoters from both enteropathogenic and enterohemorrhagic Escherichia coli can be activated by PerC-like proteins from either organism. J Bacteriol. 2005 Jan; 187(2):458-72.