┌─ fig|1040638.4.peg.923 O104:H4 str. LB226692 (56)  
                                        ┌┴─ Escherichia coli K12 (7)  
                                       ┌┴─ Escherichia coli MS 84-1   
                      ┌────────────────┴─ Escherichia coli B354 (7)  
  ┌───────────────────┴───────────────────────────────────┬─────── Escherichia coli (2-109/110) O83:H1 str. NRG 857C   
  │                                                       └────────┬─ Escherichia coli (2-109/110) B171 (11) [2] 
┌─┤                                                                └─ Escherichia coli (41-153/154) B7A  [2] 
┤ └───────────────────────────────────────────────────── Escherichia coli (5-107/114) B185 (1)  
│                                         ┌─ Escherichia coli (1-100/111) EC4100B   
└─────────────────────────────────────────┤┌─ fig|6666666.5357.peg.3830 TY-2482 (1-100/111) strain (17)  
                                          └┤┌─ Escherichia coli (1-100/111) K12 (63)  
                                           └┤ ┌─ Escherichia coli (1-100/111) MS 21-1   
                                            └┬┴─ Escherichia coli (1-100/111) 101-1   
                                             └┬─ Escherichia coli (1-100/111) M718   
                                              └┬─ Escherichia coli (1-100/111) 2362-75 (15)  
                                               └─ Escherichia coli (1-100/111) 536 (4)  
  

  
Programmed cell death toxin MazF
 (8)
  
Programmed cell death toxin ChpB
 (3)
  
Programmed cell death toxin PemK
 (3)
  
 Others 
(2)