┌─ Escherichia coli (6-519/918) APEC O1 (13)  
                                                                 ┌┴─ Escherichia coli (6-519/918) K12 (106)  
                                                                ┌┴─ Escherichia coli (6-519/918) H736 (1)  
                                                               ┌┴─ Escherichia coli (6-521/556) KO11   
┌──────────────────────────────────────────────────────────────┴─ Escherichia coli (6-519/918) MS 21-1   
│                                                                        ┌─ Escherichia coli (15-538/552) O103:H2 str. 12009   
│                                                                       ┌┴─ Escherichia coli (15-538/552) TA271   
│                                                                      ┌┴─ fig|1040638.4.peg.5313 O104:H4 (15-538/552) str. LB226692 (32)  
│                                                                     ┌┴┬─ Escherichia coli (15-538/552) E110019 (1)  
│                                                                    ┌┤ └─ Escherichia coli (15-538/552) B str. REL606 (1)  
│                                                                    │└┬─ Escherichia coli (15-538/552) K12 (16)  
│                                                                   ┌┤ └┬─ Escherichia coli (15-538/552) 1827-70 (2)  
┤                                                                   ││  └─ Escherichia coli (15-538/552) 1044A (23)  
│                                                                  ┌┤└─ Escherichia coli (35-558/572) ATCC 8739 (2)  
│                                                                  ││┌─ Escherichia coli (15-538/552) H299   
│                                                                  │└┤┌─ Escherichia coli (15-538/552) 83972 (5)  
│                                                                  │ └┤ ┌─ Escherichia coli (35-558/572) 042 (25)  
│                                                                  │  └┬┴─ Escherichia coli (15-538/552) TA280   
│                  ┌───────────────────────────────────────────────┤   └┬─ Escherichia coli (15-538/552) MS 200-1   
│                  │                                               │    └┬─ Escherichia coli (15-538/552) M605 (1)  
│                  │                                               │     └┬─ Escherichia coli (15-538/552) UM146   
└──────────────────┤                                               │      └─ Escherichia coli (15-538/552) APEC O1 (5)  
                   │                                               └─ Escherichia coli (15-538/552) M718   
                   │                                      ┌─ Escherichia coli E2348/69 (1)  
                   └──────────────────────────────────────┤ ┌─ Escherichia coli ED1a (1)  
                                                          │┌┴─ Escherichia coli 2362-75 (15)  
                                                          └┤┌─ Escherichia coli APEC O1 (6)  
                                                           └┤┌─ Escherichia coli MS 69-1   
                                                            └┤ ┌─ Escherichia coli SMS-3-5   
                                                             │┌┴─ Escherichia coli TA280   
                                                             └┤┌─ Escherichia coli MS 146-1   
                                                              └┤ ┌─ Escherichia coli SE15   
                                                               │┌┴─ Escherichia coli M718   
                                                               └┤ ┌─ Escherichia coli K12 (52)  
                                                                │┌┴─ Escherichia coli B354   
                                                                └┤┌─ Escherichia coli M605   
                                                                 └┤  ┌─ Escherichia coli IAI39 (1)  
                                                                  │ ┌┴─ Escherichia coli MS 21-1   
                                                                  └┬┴─ Escherichia coli DH1   
                                                                   └┬─ Escherichia coli B088 (19)  
                                                                    └┬─ Escherichia coli H591 (2)  
                                                                     └┬─ Escherichia coli B7A (3)  
                                                                      └─ fig|1040638.4.peg.1171 O104:H4 str. LB226692 (8)  
  

  
Fumarate respiration sensor kinase protein DcuS
 (19)
  
Sensor kinase CitA, DpiB (EC 2.7.3.-)
 (17)
  
BarA sensory histidine kinase (= VarS = GacS)
 (5)
  
 Others 
(2)