┌─ Escherichia coli (5-82/82) ED1a (1)  
                                          ┌┴─ Escherichia coli (5-82/82) M718   
                                         ┌┴─ Escherichia coli (5-82/82) K12 (95)  
                                        ┌┴─ Escherichia coli (5-82/82) ETEC H10407   
    ┌───────────────────────────────────┴─ Escherichia coli (5-82/82) IAI39 (1)  
┌───┤                                          ┌─ Escherichia coli (6-83/85) B7A   
│   └─────────────────────────────────────────┬┴──────────────────── Escherichia coli (6-84/85) O83:H1 str. NRG 857C   
┤                                             └┬─ Escherichia coli (2-70/72) MS 145-7 (3)  
│                                              └─ Escherichia coli (6-83/85) B171 (8)  
│                                          ┌─ Escherichia coli O157:H7 str. EC4024 (3)  
└─────────────────────────────────────────┬┴─ Escherichia coli 1044A (20)  
                                          └┬─ Escherichia coli (3-85/85) K12 (19)  
                                           └┬─ fig|6666666.5357.peg.839 TY-2482 strain (21)  
                                            └──┬─ Escherichia coli B354 (4)  
                                               └─ Escherichia coli MS 69-1 (1)  
  

  
Programmed cell death antitoxin ChpS
 (5)
  
Programmed cell death antitoxin MazE
 (5)
  
Programmed cell death antitoxin PemI
 (4)
  
 Others 
(1)