┌────── Escherichia coli (170-209/209) K12 (97)  
                                                      ┌┴────── Escherichia coli (166-205/205) O83:H1 str. NRG 857C   
                                                     ┌┴─ Escherichia coli (166-205/205) 536 (27)  
┌────────────────────────────────────────────────────┴──┬─ Escherichia coli MS 21-1   
│                                                       └──┬────── Escherichia coli (170-209/209) B354   
┤                                                          └─ Escherichia coli (166-205/205) TA280 (3)  
│                                                 ┌────── Escherichia coli (173-211/212) M605   
└─────────────────────────────────────────────────┤      ┌─ Escherichia coli (173-212/212) M605 (2)  
                                                  │┌─────┴────── Escherichia coli (125-164/164) TA280  [2] 
                                                  └┤┌─ Escherichia coli (124-164/164) 042 (4)  
                                                   └┤┌─ Escherichia coli (122-161/161) SMS-3-5   
                                                    ││        ┌─ Escherichia coli (125-164/164) O157:H7 str. EC4024 (29)  
                                                    └┤  ┌─────┴────── Escherichia coli (173-212/212) 53638 (1)  
                                                     │ ┌┴─ Escherichia coli (19-51/51) CFT073 (3)  
                                                     │┌┴────── Escherichia coli (173-212/212) EC4100B   
                                                     └┤ ┌──────────── Escherichia coli (173-212/212) TA206   
                                                      └┬┴──────────── Escherichia coli (122-160/161) ED1a (1)  
                                                       └┬──────────── Escherichia coli (125-164/164) B185   
                                                        └─────┬─ Escherichia coli (125-164/164) 536 (5)  
                                                              └─────┬────── Escherichia coli (125-164/164) SE15   
                                                                    └┬────── Escherichia coli (125-164/164) M605   
                                                                     └─ Escherichia coli (125-164/164) 536 (17)  
  
Co-activator of prophage gene expression IbrB (20)
IbrB (1)
hypothetical protein (1)