┌─ fig|1040638.4.peg.808 O104:H4 str. LB226692 (12)  
                                ┌───────────────────────┴──────────── Escherichia coli EC4100B   
┌───────────────────────────────┴──────────┬─ Escherichia coli 53638 (4)  
│                                          └──────────── Escherichia coli 042 (1)  
┤                                                    ┌──────────── Escherichia coli (7-55/55) SMS-3-5   
│                                                   ┌┴─ Escherichia coli (7-55/55) 1827-70 (10)  
└───────────────┬───────────────────────────────────┴──────────── Escherichia coli (7-55/55) 1044A (18)  
                └┬──────────── Escherichia coli (7-55/55) MS 115-1 (2)  
                 └─────────────────┬─ Escherichia coli (7-38/68) B354   
                                   └────────────────── Escherichia coli (7-38/94) 536 (29)  
  
putative regulatory protein (6)
Transcriptional regulator, Cro/CI family (2)
Others (2)