┌─ Escherichia coli (8-297/299) 1044A (24)  
┌─────────────────────────────────────────────────────┴─ Escherichia coli (8-297/299) M718   
│                                                           ┌─ Escherichia coli (24-304/308) B171 (15)  
│                                                          ┌┴─ Escherichia coli (9-289/293) O26:H11 str. 11368   
│                                                         ┌┴─ Escherichia coli (9-289/293) ETEC H10407   
│                                                        ┌┴┬─ Escherichia coli (9-289/293) K12 (24)  
│                                                       ┌┤ └─ Escherichia coli (24-304/308) EC4100B   
│                                                      ┌┤└─ Escherichia coli (24-304/308) B088   
┤                                                     ┌┤└─ Escherichia coli (24-303/308) 1044A (25)  
│      ┌──────────────────────────────────────────────┤└─ Escherichia coli (9-288/293) B185   
│      │                                              └─ Escherichia coli (9-288/293) M718   
│      │                                                 ┌─ Escherichia coli K12 (68)  
│      │                                                ┌┴─ Escherichia coli O55:H7 str. CB9615   
│      │                                               ┌┴─ Escherichia coli O103:H2 str. 12009   
│      │                                              ┌┴┬─ Escherichia coli 83972 (4)  
└──────┤                                             ┌┤ └─ Escherichia coli MS 185-1   
       │                                            ┌┤└─ Escherichia coli M605 (1)  
       │                                           ┌┤└─ Escherichia coli 042 (35)  
       │                                           │└┬─ Escherichia coli 2362-75   
       │                       ┌───────────────────┤ └┬─ Escherichia coli 536 (4)  
       │                       │                   │  └─ Escherichia coli NC101 (1)  
       └───────────────────────┤                   └─ Escherichia coli WV_060327   
                               │                                    ┌─ Escherichia coli (4-297/301) M605 (1)  
                               │                                    │  ┌─ Escherichia coli (4-297/301) 2362-75 (2)  
                               └────────────────────────────────────┤ ┌┴─ Escherichia coli (4-297/301) MS 69-1   
                                                                    │┌┴─ Escherichia coli (4-297/301) NC101   
                                                                    └┤ ┌─ Escherichia coli (4-297/301) H299 (2)  
                                                                     │┌┴─ Escherichia coli (4-297/301) WV_060327   
                                                                     └┤┌─ Escherichia coli (4-295/298) 101-1 (7)  
                                                                      └┤ ┌─ Escherichia coli (4-297/301) ED1a (1)  
                                                                       └┬┴─ Escherichia coli (4-297/301) APEC O1 (2)  
                                                                        └┬─ Escherichia coli (4-297/301) F11 (1)  
                                                                         └─ Escherichia coli (4-297/301) 536 (12)  
  
Hypothetical lysR-family transcriptional regulator YdhB (22)
LysR family transcriptional regulator YfiE (9)
Transcriptional regulator (2)