┌─ Escherichia coli (25-227/230) TA143   
                                                    ┌┴─ Escherichia coli (25-227/230) M718   
                                                   ┌┴─ Escherichia coli (25-227/230) 042 (7)  
                                                  ┌┴─ Escherichia coli (25-227/230) MS 21-1   
                                                 ┌┴─ Escherichia coli (22-223/226) B171   
                                                ┌┴┬─ fig|6666666.5357.peg.3308 TY-2482 (25-227/230) strain (63)  
                                                │ └┬─ Escherichia coli (25-227/230) NC101   
                                               ┌┤  └─ Escherichia coli (25-227/230) K12 (23)  
                            ┌──────────────────┤└─ Escherichia coli (3-186/189) B088 (2)  
                            │                  └┬─ Escherichia coli (3-186/189) O157:H7 str. EC4486   
         ┌──────────────────┤                   └─ Escherichia coli (25-227/230) 1044A (25)  
    ┌────┤                  └─────────────────────── Escherichia coli (26-230/238) K12 (132)  
    │    └──────────────────────────┬─ Escherichia coli (6-193/196) O157:H7 str. EC4486   
┌───┤                               └─ Escherichia coli (27-232/235) 1044A (26)  
│   └─────────────────────────────────────────────┬─ Escherichia coli (24-219/223) K12 (23)  
│                                                 └┬─ Escherichia coli (24-219/223) 2362-75 (2)  
│                                                  └┬─ fig|1040638.4.peg.4458 O104:H4 (24-219/223) str. LB226692 (75)  
│                                                   └┬─ Escherichia coli (24-219/223) 1044A (25)  
│                                                    └─ Escherichia coli (24-219/223) E110019 (1)  
│                                                   ┌─ Escherichia coli (26-224/229) TA280   
│                                                  ┌┴─ Escherichia coli (26-224/229) MS 69-1   
│                                                 ┌┴┬─ Escherichia coli (26-224/229) K12 (7)  
│                                                ┌┤ └─ Escherichia coli (26-224/229) H299   
│                                                │└┬─ Escherichia coli (26-228/229) O55:H7 str. CB9615   
│                                               ┌┤ └─ Escherichia coli (26-228/229) 1044A (23)  
│                                              ┌┤└─ Escherichia coli (26-224/229) FVEC1302 (10)  
│                                              │└┬─ Escherichia coli (26-224/229) M605   
│                                             ┌┤ └─ Escherichia coli (26-224/229) 2362-75 (26)  
│                                            ┌┤└─ Escherichia coli (26-224/229) B354 (1)  
│                                            │└┬─ Escherichia coli (26-224/229) B171 (1)  
│                                           ┌┤ └─ Escherichia coli (26-224/229) E22 (8)  
│                                           │└┬─ Escherichia coli (26-224/229) E24377A (1)  
┤                                          ┌┤ └┬─ fig|1040638.4.peg.817 O104:H4 (26-224/229) str. LB226692 (22)  
│                                          ││  └─ Escherichia coli (26-224/229) MS 107-1   
│                ┌─────────────────────────┤└─ Escherichia coli (26-224/229) ATCC 8739 (10)  
│                │                         └─ Escherichia coli (26-224/229) 042 (5)  
│     ┌──────────┤                ┌─ Escherichia coli (39-230/240) 1044A (22)  
│     │          │               ┌┴─ Escherichia coli (39-230/240) O157:H7 EDL933 (1)  
│     │          └───────────────┤┌─ Escherichia coli (39-230/240) IAI39 (2)  
│     │                          └┤  ┌─ Escherichia coli (39-230/240) K12 (71)  
│     │                           │ ┌┴─ Escherichia coli (39-230/240) ATCC 8739 (1)  
│   ┌─┤                           └┬┴─ Escherichia coli (39-230/240) TA280   
│   │ │                            └┬─ Escherichia coli (39-230/240) MS 185-1   
│   │ │                             └┬─ Escherichia coli (39-230/240) EC4100B (5)  
│   │ │                              └─ fig|1040638.4.peg.3161 O104:H4 (39-230/240) str. LB226692 (23)  
│   │ └─────────────────────────┬─ Escherichia coli (26-223/229) MS 107-1   
│   │                           └┬─ Escherichia coli (26-223/229) TA206   
│   │                            └─ Escherichia coli (26-223/229) K12 (127)  
│   │                                         ┌─ Escherichia coli (27-229/239) 83972 (1)  
│   │                                        ┌┴─ Escherichia coli (28-230/240) CFT073 (2)  
│   │                                       ┌┴─ Escherichia coli (28-230/240) F11 (7)  
└───┤                                 ┌─────┴─ Escherichia coli (27-229/239) 536 (1)  
    │      ┌──────────────────────────┴── Escherichia coli (27-229/240) MS 185-1   
    │   ┌──┴─────────────────────────┬─ Escherichia coli (27-233/239) B str. REL606   
    │   │                            └┬─ Escherichia coli (DE3 27-233/239) BL21(DE3)   
    │   │                             └┬─ Escherichia coli (27-233/239) K12 (131)  
    │   │                              └─ Escherichia coli (27-233/239) MS 146-1   
    │   │                                                ┌─ Escherichia coli (48-252/259) APEC O1 (9)  
    │   │                                               ┌┴─ Escherichia coli (48-252/259) CFT073 (21)  
    │   │                                              ┌┴─ Escherichia coli (28-232/239) WV_060327   
    │   │                                             ┌┴─ Escherichia coli (28-232/239) MS 146-1   
    │   │                                            ┌┴┬─ Escherichia coli (31-235/242) K12 (61)  
    └───┤                                            │ └┬─ Escherichia coli (48-252/259) B7A (17)  
        │                                           ┌┤  └─ Escherichia coli (48-252/259) B171 (1)  
        │                                          ┌┤└─ Escherichia coli (28-232/239) MS 21-1   
        │                                         ┌┤└─ Escherichia coli (34-232/239) 042 (1)  
        │┌────────────────────────────────────────┤└─ fig|1040638.4.peg.3655 O104:H4 (28-232/239) str. LB226692 (7)  
        ││                                        └─ Escherichia coli (28-232/239) MS 119-7 (1)  
        ││                             ┌─ Escherichia coli 2362-75 (18)  
        ││                            ┌┴─ Escherichia coli (23-232/232) K12 (103)  
        ││  ┌─────────────────────────┴─ Escherichia coli APEC O1 (10)  
        ││  │                                                   ┌─ Escherichia coli (24-212/215) E24377A (1)  
        └┤  │                                                  ┌┴─ Escherichia coli (24-216/219) B185   
         │  │                                                 ┌┴─ fig|6666666.5357.peg.2248 TY-2482 (24-216/219) strain (51)  
         │  │                                                ┌┴─ Escherichia coli (24-216/219) O157:H7 EDL933   
         │  │                                               ┌┴─ Escherichia coli (24-216/219) K12 (7)  
         │  │                                              ┌┴┬─ Escherichia coli (24-216/219) 2362-75 (2)  
         │  │                                             ┌┤ └─ Escherichia coli (24-216/219) MS 124-1 (1)  
         │  │                                            ┌┤└─ Escherichia coli (24-216/219) TA280   
         └──┤                                            │└┬─ Escherichia coli (24-216/219) 042 (48)  
            │                         ┌──────────────────┤ └┬─ Escherichia coli (24-216/219) 83972 (5)  
            │                         │                  │  └─ Escherichia coli (24-216/219) HS (1)  
            │                  ┌──────┤                  └─ Escherichia coli (24-216/219) SE15   
            │                  │      │                        ┌─ Escherichia coli (23-218/222) 2362-75 (21)  
            │                  │      └────────────────────────┤┌─ Escherichia coli (23-218/222) 042 (3)  
            │                  │                               └┤┌─ Escherichia coli (23-218/222) IAI39 (4)  
            │                  │                                └┤ ┌─ fig|1040638.4.peg.1159 O104:H4 (23-218/222) str. LB226692 (89)  
            │                  │                                 └┬┴─ Escherichia coli (23-218/222) MS 115-1   
            └──────────────────┤                                  └┬─ Escherichia coli (23-218/222) K12 (8)  
                               │                                   └┬─ Escherichia coli (23-218/222) B str. REL606   
                               │                                    └─ Escherichia coli (23-218/222) 1125A   
                               │             ┌──────────── fig|1040638.4.peg.2084 O104:H4 (24-221/226) str. LB226692 (9)  
                               │             │              ┌─ Escherichia coli (24-221/226) ATCC 8739 (1)  
                               │             │             ┌┴─ Escherichia coli (24-221/226) ETEC H10407   
                               └─────────────┤            ┌┴─ fig|1040638.4.peg.2102 O104:H4 (24-221/226) str. LB226692 (5)  
                                             │         ┌──┴─ Escherichia coli (24-221/226) MS 115-1   
                                             │ ┌───────┴─┬─ Escherichia coli (24-221/227) 2362-75   
                                             │ │         └┬─ Escherichia coli (24-221/227) O111:H- str. 11128   
                                             └─┤          └┬─ Escherichia coli (24-221/227) 101-1 (15)  
                                               │           └─ Escherichia coli (24-221/227) K12 (113)  
                                               │                   ┌─ Escherichia coli (40-236/239) M718   
                                               └───────────────────┤ ┌─ Escherichia coli (61-257/260) 042 (10)  
                                                                   │┌┴─ Escherichia coli (61-257/260) EC4100B (4)  
                                                                   └┤┌─ Escherichia coli (61-257/260) 101-1 (69)  
                                                                    └┤ ┌─ Escherichia coli (61-257/260) TA206   
                                                                     │┌┴─ Escherichia coli (40-236/239) K12 (8)  
                                                                     └┤  ┌─ Escherichia coli (61-257/260) H736   
                                                                      │ ┌┴─ Escherichia coli (61-257/260) B354   
                                                                      └┬┴─ Escherichia coli (61-257/260) 2362-75 (2)  
                                                                       └┬─ Escherichia coli (61-257/260) 536 (15)  
                                                                        └┬─ fig|1040638.4.peg.3503 O104:H4 (61-257/260) str. LB226692 (11)  
                                                                         └┬─ Escherichia coli (61-257/260) IAI39 (1)  
                                                                          └─ Escherichia coli (61-257/260) WV_060327   
  
Two-component response regulator CreB (16)
Putative two-component system response regulator YedW (12)
Two-component system response regulator QseB (11)
Transcriptional regulatory protein RstA (10)
Functional role page for TorCAD operon transcriptional regulatory protein TorR (10)
Response regulator BaeR (8)
Transcriptional regulatory protein basR/pmrA (7)
Copper-sensing two-component system response regulator CusR (7)
Transcriptional regulatory protein PhoP (4)
Two-component system response regulator OmpR (4)
Copper-sensing two-component system response regulator CpxR (3)
Putative response regulator (3)
Phosphate regulon transcriptional regulatory protein PhoB (SphR) (3)
Putative response regulator protein (2)
Aerobic respiration control protein arcA (1)
Transcriptional regulatory protein ompR (1)
putative response regulator (1)
Others (10)