┌─ Escherichia coli (16-270/271) SE15   
                                                                  ┌┴─ Escherichia coli (16-270/271) APEC O1 (1)  
                                                                 ┌┴─ Escherichia coli (16-271/271) K12 (14)  
                                                                ┌┴─ Escherichia coli 042  [2] 
                                                               ┌┴─ Escherichia coli 53638  [2] 
                                                              ┌┤ ┌─ Escherichia coli (1-255/256) APEC O1 (6)  
                                                              │└┬┴─ fig|1040638.4.peg.5211 O104:H4 str. LB226692 (86)  
                                                             ┌┤ └┬─ Escherichia coli B185   
                                                             ││  └─ Escherichia coli FVEC1302 (4)  
                                  ┌──────────────────────────┤└─ Escherichia coli B171  [2] 
                                  │                          └─ Escherichia coli B088 (4)  
        ┌─────────────────────────┤                         ┌── Escherichia coli (19-272/275) O157:H7 str. EC4024   
        │                         └─────────────────────────┤┌─ Escherichia coli (25-271/274) H736   
        │                                                   └┤ ┌─ Escherichia coli (38-284/287) K12 (99)  
        │                                                    └┬┴─ Escherichia coli (38-284/287) B171 (4)  
        │                                                     └┬─ Escherichia coli (25-271/274) IAI39 (1)  
 ┌──────┤                                                      └┬─ Escherichia coli (25-271/274) 2362-75 (15)  
 │      │                                                       └┬─ Escherichia coli (25-271/274) ED1a (1)  
 │      │                                                        └─ Escherichia coli (25-271/274) APEC O1 (6)  
 │      │                                             ┌─ Escherichia coli (13-272/282) B171 (19)  
 │      └─────────────────────────────────────────────┤┌─ fig|1040638.4.peg.1654 O104:H4 (13-272/282) str. LB226692 (13)  
 │                                                    └┤ ┌─ Escherichia coli (13-272/282) B354 (2)  
┌┤                                                     │┌┴─ Escherichia coli (13-272/282) ETEC H10407   
││                                                     └┤ ┌─ Escherichia coli (13-272/282) K12 (59)  
││                                                      └┬┴─ Escherichia coli (13-272/282) MS 21-1   
││                                                       └┬─ Escherichia coli (13-272/282) M605   
││                                                        └─ Escherichia coli (13-272/282) 101-1 (4)  
┤└────────────────────────────────────── Escherichia coli (5-252/252) K12 (4)  
│                                                      ┌─ Escherichia coli (10-250/255) MS 21-1   
│                                                     ┌┴─ Escherichia coli (10-250/255) M605   
│                                                    ┌┴─ Escherichia coli (10-250/255) 101-1 (25)  
│   ┌────────────────────────────────────────────────┴─ Escherichia coli (10-250/255) 83972 (5)  
└───┤                                                               ┌─ Escherichia coli (1-252/262) MS 145-7 (1)  
    │         ┌─────────────────────────────────────────────────────┴─ Escherichia coli (1-252/262) K12 (16)  
    └─────────┤                                            ┌─ Escherichia coli (9-253/260) 536 (11)  
              │                                           ┌┴─ Escherichia coli (9-253/260) APEC O1 (7)  
              └───────────────────────────────────────────┤┌─ Escherichia coli (9-253/260) TA206   
                                                          ││  ┌─ Escherichia coli (9-253/260) M605 (1)  
                                                          └┤ ┌┴─ Escherichia coli (9-253/260) 2362-75 (3)  
                                                           │┌┴─ Escherichia coli (9-253/260) ED1a (1)  
                                                           └┤┌─ Escherichia coli (9-253/260) IAI39 (2)  
                                                            └┤┌─ Escherichia coli (9-253/260) 1827-70   
                                                             └┤ ┌─ Escherichia coli (9-253/260) K12 (22)  
                                                              └┬┴─ Escherichia coli (9-253/260) MS 115-1   
                                                               └┬─ Escherichia coli (9-253/260) ETEC H10407   
                                                                └┬─ Escherichia coli (9-253/260) B354 (2)  
                                                                 └┬─ Escherichia coli (9-253/260) B185   
                                                                  └┬─ Escherichia coli (9-253/260) 1044A (25)  
                                                                   └─ Escherichia coli (9-253/260) M718   
  
Uncharacterized transcriptional regulator YfaX, HTH-type (15)
Negative regulator of allantoin and glyoxylate utilization operons (10)
Transcriptional regulator, IclR family (8)
Acetate operon repressor (8)
D-galactonate regulator, IclR family (4)
Hypothetical transcriptional regulator yiaJ (2)
Others (2)