┌─ Escherichia coli (13-62/62) B171 (19)  
                                                       ┌─┴── Escherichia coli IAI1   
                                                     ┌─┴┬── Escherichia coli TA143   
                                                    ┌┤  └─ Escherichia coli (34-83/83) K12 (38)  
                                                    │└─┬─ Escherichia coli M718   
                                                   ┌┤  └── Escherichia coli (49-98/98) O157:H7 EDL933 (25)  
                                                  ┌┤└─ Escherichia coli (34-83/83) O157:H7 (98)  
                               ┌──────────────────┤└── Escherichia coli B354 (2)  
          ┌────────────────────┤                  └── Escherichia coli IAI39 (1)  
          │                    └┬─ Escherichia coli 101-1 (14)  
┌─────────┤                     └── Escherichia coli (46-95/95) SE15 (78)  
│         └──────────────────────────────────────────────────────┬─ Escherichia coli MS 119-7   
│                                                                └─┬── Escherichia coli MS 185-1   
│                                                                  └─ Escherichia coli H299 (1)  
┤                                              ┌─ Escherichia coli K12 (50)  
│                                             ┌┴── Escherichia coli 53638   
│                                           ┌─┴── Escherichia coli IAI39 (3)  
│                                          ┌┴─ Escherichia coli MS 21-1 (1)  
└──────────────────────────────────────────┤    ┌─ Escherichia coli E110019 (3)  
                                           │  ┌─┴── Escherichia coli B354   
                                           └─┬┴── Escherichia coli O55:H7 str. CB9615   
                                             └┬─ Escherichia coli (21-70/70) O157:H7 EDL933 (45)  
                                              └┬── Escherichia coli H591 (2)  
                                               └── Escherichia coli H299   
  
putative membrane permeability altering protein (9)
HokE protein (7)
hypothetical protein (4)
post-segregation killing protein (2)
putative factor; Not classified (1)
SrnB (1)