┌─ Escherichia coli (1-119/441) APEC O1 (6)  
                                     ┌┴─ Escherichia coli (1-119/441) 042 (15)  
                                    ┌┴─ Escherichia coli (1-119/441) M718   
                                   ┌┴─ Escherichia coli (1-119/441) MS 69-1   
                                  ┌┴─ Escherichia coli (1-119/441) K12 (59)  
                                 ┌┴┬─ fig|1040638.4.peg.1034 O104:H4 (1-119/441) str. LB226692 (5)  
                                ┌┤ └─ Escherichia coli (1-119/441) SE11   
                  ┌─────────────┤└─ Escherichia coli (1-119/441) 101-1 (38)  
                  │             └─ Escherichia coli (1-119/441) MS 115-1   
             ┌────┤                ┌─ Escherichia coli (6-118/461) K12 (65)  
             │    └───────────────┬┴─ Escherichia coli (6-118/461) 2362-75   
             │                    └┬─ Escherichia coli (6-118/461) B354   
             │                     └─ Escherichia coli (6-118/461) H299 (3)  
            ┌┤                                      ┌─ Escherichia coli (1-113/415) NC101   
            ││                                     ┌┴─ Escherichia coli (4-116/418) 53638 (2)  
            ││     ┌───────────────────────────────┴─ Escherichia coli (1-113/415) 536 (13)  
            │└─────┤                   ┌─ Escherichia coli (1-123/444) ED1a (1)  
            │      └───────────────────┤ ┌─ Escherichia coli (1-123/444) MS 115-1   
     ┌──────┤                          └┬┴─ Escherichia coli (1-123/444) B185   
     │      │                           └┬─ Escherichia coli (1-123/444) K12 (109)  
     │      │                            └┬─ Escherichia coli (1-123/444) MS 69-1   
     │      │                             └┬─ Escherichia coli (1-123/444) IHE3034   
     │      │                              └─ Escherichia coli (14-136/457) APEC O1 (14)  
     │      └───────────┬─ Escherichia coli (11-109/472) O157:H7 EDL933 (1)  
   ┌─┤                  └┬─ Escherichia coli (12-109/472) MS 185-1   
   │ │                   └─ Escherichia coli (8-106/469) K12 (125)  
   │ │                              ┌─ Escherichia coli (3-108/349) K12 (127)  
   │ │                             ┌┴─ Escherichia coli (3-108/349) B088   
   │ │                            ┌┴─ Escherichia coli (3-108/349) M605   
   │ └─────┬──────────────────────┴─ Escherichia coli (3-108/349) H736   
   │       └────────────────────────────┬─ Escherichia coli (1-115/244) O26:H11 str. 11368   
   │                                    └┬─ Escherichia coli (1-115/244) ETEC H10407   
 ┌─┤                                     └┬─ Escherichia coli (7-121/250) 042 (12)  
 │ │                                      └─ Escherichia coli (1-115/244) K12 (116)  
 │ │                                         ┌─ Escherichia coli (2-104/218) K12 (35)  
 │ │                                        ┌┴─ Escherichia coli (2-104/218) O111:H- str. 11128   
 │ │               ┌────────────────────────┴─ Escherichia coli (2-104/218) 042 (72)  
 │ │               │                  ┌─ Escherichia coli (7-120/215) K12 (5)  
 │ │               │                 ┌┴─ Escherichia coli (1-103/198) str. K-12 substr. DH10B (1)  
 │ │               │                ┌┴─ fig|6666666.5357.peg.540 TY-2482 (7-120/215) strain (91)  
 │ └───────────────┤               ┌┴─ Escherichia coli (17-130/225) E110019 (1)  
 │                 │     ┌─────────┴┬─ Escherichia coli (7-120/215) 2362-75 (28)  
 │                 │     │          └─ Escherichia coli (7-120/215) M718   
┌┤                 │     │                ┌─ Escherichia coli (1-122/216) 83972 (1)  
││                 └─────┤               ┌┴─ Escherichia coli (1-122/216) H591 (2)  
││                       │              ┌┴─ Escherichia coli (1-122/216) K12 (123)  
││                       │    ┌─────────┴─ Escherichia coli (1-122/216) FVEC1302 (3)  
││                       └────┤                                      ┌─ fig|6666666.5357.peg.2394 TY-2482 (4-126/204) strain   
││                            │                                     ┌┴─ Escherichia coli (4-102/105) 1827-70   
││                            └─────────────────────────────────────┤ ┌─ Escherichia coli (5-126/204) O157:H7 EDL933 (1)  
││                                                                  └┬┴─ Escherichia coli (4-126/204) MS 21-1   
││                                                                   └┬─ Escherichia coli (4-126/204) KO11 (2)  
││                                                                    └─ Escherichia coli (4-126/204) K12 (118)  
│└──────────────────────────┬─ Escherichia coli (9-109/337) B088 (13)  
│                           └┬─ Escherichia coli (9-109/337) APEC O1 (6)  
│                            └─ Escherichia coli (9-109/337) K12 (110)  
│                             ┌─ Escherichia coli 536 (24)  
│                            ┌┴─ Escherichia coli MS 200-1   
│                           ┌┴─ Escherichia coli ETEC H10407   
│                          ┌┴┬─ Escherichia coli str. K-12 substr. DH10B   
│                         ┌┤ └─ Escherichia coli K12 (98)  
┤                        ┌┤└─ Escherichia coli O157:H7 EDL933   
│                        │└┬─ Escherichia coli O157:H7 str. EC4024   
│ ┌──────────────────────┤ └─ Escherichia coli 042 (1)  
│ │                      └─ Escherichia coli H299   
│ │                                ┌─ Escherichia coli (957-1075/1197) O157:H7 (25)  
│ │                               ┌┴─ Escherichia coli (957-1075/1197) F11 (4)  
│ │                              ┌┴─ Escherichia coli (957-1075/1197) APEC O1 (29)  
│ │                             ┌┴─ Escherichia coli (957-1075/1197) K12 (61)  
│ │                            ┌┴┬─ Escherichia coli (887-1005/1127) MS 69-1   
│ │                ┌───────────┤ └─ Escherichia coli (887-1005/1127) FVEC1302 (3)  
│ │                │           └─ Escherichia coli (957-1075/1197) SMS-3-5 (3)  
│ │        ┌───────┤           ┌─ Escherichia coli (806-927/933) K12 (16)  
│ │        │       └──────────┬┴─ Escherichia coli (3-118/124) W3110   
│ │        │                  └┬─ fig|1040638.4.peg.3304 O104:H4 (60-181/187) str. LB226692 (83)  
│ │        │                   └┬─ Escherichia coli (806-927/933) MS 115-1   
│ │        │                    └┬─ Escherichia coli (822-943/949) APEC O1 (6)  
│ │ ┌──────┤                     └─ Escherichia coli (822-943/949) 2362-75 (21)  
│ │ │      │                               ┌─ Escherichia coli (668-781/918) E22 (1)  
└─┤ │      │                              ┌┴─ Escherichia coli (668-781/918) MS 187-1   
  │ │      │                             ┌┴─ Escherichia coli (668-781/918) K12 (126)  
  │ │      └────────┬────────────────────┴─ Escherichia coli (668-781/918) MS 115-1   
  │ │               └────────────────────┬─ Escherichia coli (526-644/777) O157:H7 str. EC4024   
  │ │                                    └─┬─ Escherichia coli (3-107/241) O157:H7 str. EC4024   
  │ │                                      └┬─ Escherichia coli (106-224/358) MS 119-7   
  │ │                                       └┬─ Escherichia coli (526-644/778) 536 (10)  
  │ │                                        └─ Escherichia coli (524-642/776) K12 (119)  
  │ │                                                    ┌─ Escherichia coli (3-107/229) MS 107-1   
  │ │                                                   ┌┴─ fig|1040638.4.peg.817 O104:H4 (3-107/229) str. LB226692 (24)  
  │ │                                                  ┌┴─ Escherichia coli (3-107/229) 042 (16)  
  │ │                                                 ┌┴─ Escherichia coli (3-107/229) K12 (7)  
  │ │                                                ┌┴─ Escherichia coli (3-107/229) 1044A (51)  
  │ │                                               ┌┴─ Escherichia coli (3-107/229) M605   
  │ │                          ┌────────────────────┴─ Escherichia coli (3-107/229) 2362-75 (26)  
  │ │                      ┌───┤                 ┌─ Escherichia coli (5-112/225) O157:H7 EDL933   
  └─┤                      │   └────────────────┬┴─ fig|1040638.4.peg.5040 O104:H4 (5-112/225) str. LB226692 (65)  
    │                ┌─────┤                    └┬─ Escherichia coli (5-112/225) FVEC1302 (3)  
    │                │     │                     └─ Escherichia coli (5-112/225) K12 (59)  
    │                │     └──────────┬─ Escherichia coli (4-123/229) CFT073 (1)  
    │                │                └┬─ Escherichia coli (4-123/229) TA206   
    │              ┌─┤                 └─ Escherichia coli (4-123/229) K12 (128)  
    │              │ │                   ┌─ Escherichia coli (6-123/235) 1044A (24)  
    │              │ │ ┌─────────────────┴─ Escherichia coli (12-129/241) O157:H7 EDL933 (1)  
    │              │ └─┤ ┌────────── Escherichia coli (3-117/232) K12 (23)  
    │              │   └─┤              ┌─ Escherichia coli (6-122/239) K12 (131)  
    │       ┌──────┤     └─┬────────────┴─ Escherichia coli (8-122/239) B str. REL606 (2)  
    │       │      │       └──────────────┬── Escherichia coli (6-122/240) MS 185-1   
    │       │      │                      └─┬─ Escherichia coli (6-122/239) 536 (1)  
    │       │      │                        └┬─ Escherichia coli (6-122/239) 83972 (10)  
    │       │      │                         └─ Escherichia coli (1-123/240) CFT073 (1)  
    │       │      └────────────────┬─ Escherichia coli (7-110/238) B str. REL606   
    │       │                       └─ Escherichia coli (7-110/238) K12 (132)  
    │       │                          ┌─ fig|1040638.4.peg.4458 O104:H4 (1-118/223) str. LB226692 (79)  
    │       │                         ┌┴─ Escherichia coli (1-118/223) 042 (1)  
    └───────┤                        ┌┴─ Escherichia coli (1-118/223) 1044A (25)  
            │                       ┌┴─ Escherichia coli (1-118/223) K12 (23)  
            │       ┌───────────────┴─ Escherichia coli (1-118/223) E110019 (1)  
            │ ┌─────┴───────────┬─ Escherichia coli (1-118/222) MS 115-1   
            │ │                 └┬─ Escherichia coli (1-118/222) 2362-75 (26)  
            │ │                  └┬─ Escherichia coli (1-118/222) B str. REL606   
            │ │                   └─ fig|1040638.4.peg.1159 O104:H4 (1-118/222) str. LB226692 (94)  
            │ │                            ┌─ Escherichia coli (1-118/219) E2348/69 (1)  
            │ │                           ┌┴─ Escherichia coli (1-118/219) 2362-75   
            └─┤                          ┌┴─ Escherichia coli (7-109/210) str. K-12 substr. DH10B   
              │                         ┌┴─ Escherichia coli (1-118/219) TA280   
              │                        ┌┴─ Escherichia coli (1-118/219) K12 (60)  
              │                       ┌┴─ Escherichia coli (1-118/219) 83972 (5)  
              │     ┌─────────────────┴┬─ Escherichia coli (1-118/219) O157:H7 EDL933   
              │     │                  └┬─ fig|6666666.5357.peg.2248 TY-2482 (1-118/219) strain (50)  
              │     │                   └┬─ Escherichia coli (7-109/210) O157:H7 str. EC4486   
              └─────┤                    └┬─ Escherichia coli (1-118/219) B185   
                    │                     └─ Escherichia coli (1-114/215) E24377A (1)  
                    │      ┌──────── fig|1040638.4.peg.2084 O104:H4 (3-119/226) str. LB226692 (9)  
                    │      │            ┌─ Escherichia coli (17-123/239) K12 (131)  
                    └──────┤           ┌┴─ Escherichia coli (38-144/260) SE15   
                           │ ┌─────────┴─ Escherichia coli (38-144/260) H736   
                           └─┤        ┌─ Escherichia coli (1-118/227) K12 (114)  
                             │       ┌┴─ Escherichia coli (1-118/227) O111:H- str. 11128   
                             └──────┬┴─ Escherichia coli (1-118/227) 101-1 (15)  
                                    └┬─ Escherichia coli (1-118/226) MS 115-1   
                                     └┬─ fig|1040638.4.peg.2102 O104:H4 (1-118/226) str. LB226692 (5)  
                                      └┬─ Escherichia coli (1-118/226) ATCC 8739 (1)  
                                       └─ Escherichia coli (1-118/226) ETEC H10407   
  
Two-component system response regulator QseB (10)
Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY (9)
Nitrate/nitrite response regulator protein (9)
Response regulator of zinc sigma-54-dependent two-component system (8)
Putative sensory histidine kinase YfhA (7)
Hybrid sensory histidine kinase in two-component regulatory system with EvgA (7)
Two-component response regulator CreB (6)
Copper-sensing two-component system response regulator CusR (6)
Positive transcription regulator EvgA (5)
Aerobic respiration control sensor protein arcB (EC 2.7.3.-) (5)
Two-component sensor protein RcsC (EC 2.7.3.-) (5)
Chemotaxis response regulator protein-glutamate methylesterase CheB (EC 3.1.1.61) (4)
Transcriptional regulatory protein PhoP (4)
Acetoacetate metabolism regulatory protein AtoC (4)
BarA sensory histidine kinase (= VarS = GacS) (4)
Hypothetical response regulatory protein ypdB (4)
Phosphoglycerate transport system transcriptional regulatory protein PgtA (3)
Nitrogen regulation protein NR(I) (3)
Putative response regulator (3)
DNA-binding response regulator KdpE (3)
Others (34)