┌─ Escherichia coli (40-1102/1120) SE15   
                                                                                ┌┴─ Escherichia coli (40-1102/1120) 2362-75 (1)  
                                                                               ┌┴─ Escherichia coli (40-1102/1120) ED1a (1)  
                                                                              ┌┴┬─ Escherichia coli (40-1102/1120) NC101 (1)  
                                                                              │ └┬─ Escherichia coli (40-1102/1120) 83972 (3)  
                                                                             ┌┤  └─ Escherichia coli (40-1102/1120) CFT073 (1)  
                                                                            ┌┤└─ Escherichia coli (38-1100/1118) TA206   
                                                                           ┌┤└─ Escherichia coli (38-1100/1118) M605 (12)  
                                                                          ┌┤└─ Escherichia coli (38-1100/1118) WV_060327   
                                                                         ┌┤└─ Escherichia coli (40-1102/1120) 042 (37)  
                                                                         │└┬─ Escherichia coli (38-1100/1118) SMS-3-5   
                                                                        ┌┤ └─ Escherichia coli (40-1102/1120) MS 21-1   
                                                                        ││ ┌─ Escherichia coli (38-1100/1118) KO11 (21)  
                                                                        │└┬┴─ Escherichia coli (40-1102/1120) O111:H- str. 11128   
                                                                       ┌┤ └┬─ Escherichia coli (38-1100/1118) H591 (1)  
                                                                       ││  └─ Escherichia coli (40-1102/1120) MS 145-7   
                                                                      ┌┤└─ Escherichia coli (40-1102/1120) 55989 (2)  
                                                                     ┌┤└─ Escherichia coli (40-1102/1120) E24377A (1)  
                                                                    ┌┤└─ Escherichia coli (40-1102/1120) MS 116-1   
                                                                   ┌┤└─ Escherichia coli (40-1102/1120) K12 (20)  
┌──────────────────────────────────────────────────────────────────┤└─ Escherichia coli (40-1102/1120) 53638 (1)  
┤                                                                  └─ Escherichia coli (40-1102/1120) B str. REL606   
│                                                                  ┌─ fig|1040638.4.peg.859 O104:H4 str. LB226692   
└──────────────────────────────────────────────────────────────────┤┌─ fig|6666666.5357.peg.2667 TY-2482 (16-1107/1107) strain (2)  
                                                                   ││┌─ Escherichia coli (16-1107/1107) ETEC H10407   
                                                                   └┤│ ┌─ Escherichia coli (16-1107/1107) ATCC 8739 (1)  
                                                                    ││┌┴─ Escherichia coli (16-1107/1107) K12 (29)  
                                                                    └┤│     ┌─ Escherichia coli (16-1107/1107) MS 119-7   
                                                                     ││    ┌┴─ Escherichia coli (16-1107/1107) H591 (1)  
                                                                     ││   ┌┴─ Escherichia coli (16-1107/1107) EC4100B   
                                                                     └┤  ┌┴─ Escherichia coli (16-1107/1107) E22 (2)  
                                                                      │ ┌┴─ Escherichia coli (16-1107/1107) B171 (5)  
                                                                      │┌┴─ Escherichia coli (16-1107/1107) B7A (7)  
                                                                      ││┌─ Escherichia coli (16-1107/1107) SE11   
                                                                      └┤│      ┌─ Escherichia coli (16-1107/1107) NC101   
                                                                       ││     ┌┴─ Escherichia coli (16-1107/1107) APEC O1 (8)  
                                                                       ││    ┌┴┬─ Escherichia coli (16-1107/1107) CFT073 (1)  
                                                                       └┤   ┌┤ └─ Escherichia coli (16-1107/1107) 83972 (5)  
                                                                        │  ┌┤└─ Escherichia coli (16-1107/1107) 536 (4)  
                                                                        │ ┌┤└─ Escherichia coli (16-1107/1107) M605 (1)  
                                                                        │┌┤└─ Escherichia coli (16-1107/1107) E2348/69 (1)  
                                                                        └┤└─ Escherichia coli (16-1107/1107) 1044A (22)  
                                                                         └┬─ Escherichia coli (16-1107/1107) M718   
                                                                          └┬─ Escherichia coli (16-1107/1107) TA280   
                                                                           └┬─ Escherichia coli (16-1107/1107) H299 (3)  
                                                                            └┬─ Escherichia coli (16-1107/1107) IAI39   
                                                                             └┬─ Escherichia coli (16-1107/1107) 042 (2)  
                                                                              └┬─ Escherichia coli (22-1107/1107) MS 69-1   
                                                                               └┬─ Escherichia coli (16-1107/1107) MS 21-1   
                                                                                └─ Escherichia coli (16-1107/1107) SMS-3-5   
  
Potassium efflux system KefA protein / Small-conductance mechanosensitive channel (47)
Potassium efflux system YjeP / Small-conductance mechanosensitive channel (1)
Others (2)