┌─ Escherichia coli (6-103/110) B str. REL606 (3)  
                                                    ┌┴─ Escherichia coli (13-110/117) O157:H7 str. EC4486 (24)  
                                                   ┌┴─ Escherichia coli (24-121/128) O157:H7 str. EC4486 (17)  
                                                  ┌┴─ Escherichia coli (66-163/170) CFT073 (67)  
                                                 ┌┴─ Escherichia coli (6-103/110) K12 (6)  
                        ┌────────────────────────┴─ Escherichia coli (6-103/110) WV_060327   
                   ┌────┴───────────┬──────────────────────────────── Escherichia coli (8-105/109) 536 (10)  
                   │                └──────────────────────────────┬─ Escherichia coli (10-110/133) MS 69-1   
           ┌───────┤                                               └─ Escherichia coli (10-110/133) 536 (9)  
 ┌─────────┤       └────────────────────────────────── Escherichia coli (6-102/115) 042 (13)  
 │         └───────────────────────────────────────────────────┬─ Escherichia coli 83972 (4)  
 │                                                             └┬─ Escherichia coli 042 (2)  
┌┤                                                              └┬─ Escherichia coli K12 (109)  
││                                                               └┬─ Escherichia coli 536 (8)  
││                                                                └─ Escherichia coli O157:H7 str. EC869 (2)  
│└─────────────────────────────────────────┬─ Escherichia coli (2-103/121) MS 124-1 (1)  
┤                                          └┬─ Escherichia coli (2-103/121) IAI39 (1)  
│                                           └┬─ Escherichia coli (2-103/121) K12 (111)  
│                                            └┬─ Escherichia coli (2-103/121) B171 (4)  
│                                             └─ Escherichia coli (2-103/121) 83972 (5)  
└─────────────────────────────────────────┬─ Escherichia coli (6-103/105) O157:H7 str. EC4024   
                                          └─┬── Escherichia coli (6-103/105) MS 182-1   
                                            └───────┬─ Escherichia coli (56-153/155) CFT073 (14)  
                                                    └┬─ Escherichia coli (6-103/105) SMS-3-5   
                                                     └┬─ Escherichia coli (6-103/105) MS 21-1   
                                                      └┬─ Escherichia coli (6-103/105) K12 (109)  
                                                       └┬─ Escherichia coli (52-153/155) O157:H7 (1)  
                                                        └─ Escherichia coli (52-153/155) B171 (1)  
  
Ethidium bromide-methyl viologen resistance protein EmrE (10)
Quaternary ammonium compound-resistance protein sugE (8)
Spermidine export protein mdtJ (5)
Spermidine export protein mdtI (5)