┌─ Escherichia coli (3-588/620) 1044A (22)  
                                                                           ┌┴─ Escherichia coli (3-588/620) O157:H7 EDL933 (1)  
                                                                          ┌┴─ Escherichia coli (3-588/620) 042 (4)  
                                                                         ┌┴─ Escherichia coli (3-588/620) MS 115-1   
                                                                        ┌┴┬─ Escherichia coli (3-588/620) SMS-3-5 (1)  
                                                                        │ └┬─ Escherichia coli (3-588/620) MS 69-1   
                                                                       ┌┤  └┬─ Escherichia coli (3-588/620) FVEC1302 (3)  
                                                                       ││   └─ Escherichia coli (3-588/620) B354   
                                                                      ┌┤└┬─ Escherichia coli (3-588/620) MS 145-7   
                                                                      ││ └─ Escherichia coli (3-588/620) B7A (1)  
                                                                      │└┬─ Escherichia coli (3-588/620) MS 21-1   
                                                                      │ └┬─ Escherichia coli (3-588/620) IAI39 (1)  
                                                                     ┌┤  └┬─ Escherichia coli (3-588/620) H299   
                                                                     ││   └─ Escherichia coli (3-588/620) 536 (4)  
                                                                     ││ ┌─ Escherichia coli (3-588/620) E2348/69 (7)  
                                                                    ┌┤└┬┴─ Escherichia coli (3-588/620) WV_060327   
                                                                    ││ └┬─ Escherichia coli (3-588/620) 83972 (5)  
                                                                    ││  └─ Escherichia coli (3-588/620) APEC O1 (6)  
                                                                   ┌┤└─ Escherichia coli (3-588/620) TA206   
                                                                   ││ ┌─ Escherichia coli (3-588/620) KO11 (2)  
                                                                   │└┬┴─ fig|1040638.4.peg.5605 O104:H4 (3-588/620) str. LB226692 (11)  
                                                                   │ └┬─ Escherichia coli (3-588/620) MS 187-1   
                                                                  ┌┤  └┬─ Escherichia coli (3-588/620) 101-1 (13)  
                                                                  ││   └┬─ Escherichia coli (3-588/620) 53638 (1)  
┌─────────────────────────────────────────────────────────────────┤│    └─ Escherichia coli (3-588/620) K12 (17)  
│                                                                 │└─ Escherichia coli (3-588/620) B171 (1)  
┤                                                                 └─ Escherichia coli (3-588/620) E22 (1)  
│                                                                 ┌─ Escherichia coli 53638 (1)  
└─────────────────────────────────────────────────────────────────┤┌─ Escherichia coli SE15   
                                                                  └┤┌─ Escherichia coli B354   
                                                                   ││┌─ Escherichia coli E24377A (3)  
                                                                   └┤│   ┌─ Escherichia coli MS 124-1 (1)  
                                                                    ││  ┌┴─ Escherichia coli ATCC 8739 (1)  
                                                                    └┤ ┌┴┬─ Escherichia coli MS 145-7   
                                                                     │┌┤ └─ Escherichia coli B7A (1)  
                                                                     ││└─ Escherichia coli 1044A (22)  
                                                                     ││ ┌─ Escherichia coli MS 187-1   
                                                                     └┤┌┴─ Escherichia coli O157:H7 str. EC508   
                                                                      ││   ┌─ Escherichia coli K12 (13)  
                                                                      ││  ┌┴─ Escherichia coli TA143   
                                                                      ││ ┌┴┬─ Escherichia coli TA271   
                                                                      └┤┌┤ └─ fig|1040638.4.peg.1917 O104:H4 str. LB226692 (27)  
                                                                       ││└┬─ Escherichia coli O55:H7 str. CB9615   
                                                                       ││ └┬─ Escherichia coli 042 (1)  
                                                                       ││  └─ Escherichia coli O103:H2 str. 12009   
                                                                       └┤   ┌─ Escherichia coli MS 69-1   
                                                                        │  ┌┴─ Escherichia coli FVEC1302 (3)  
                                                                        │ ┌┴─ Escherichia coli TA280   
                                                                        │┌┴─ Escherichia coli M718   
                                                                        └┤┌─ Escherichia coli B185   
                                                                         ││  ┌─ Escherichia coli E2348/69 (1)  
                                                                         └┤ ┌┴─ Escherichia coli 2362-75   
                                                                          │┌┴─ Escherichia coli H299   
                                                                          └┤ ┌─ Escherichia coli ED1a (1)  
                                                                           └┬┴─ Escherichia coli SMS-3-5   
                                                                            └┬─ Escherichia coli 83972 (15)  
                                                                             └┬─ Escherichia coli M605   
                                                                              └─ Escherichia coli MS 21-1   
  
Glutathione-regulated potassium-efflux system protein KefB (30)
Glutathione-regulated potassium-efflux system protein KefC (26)
Others (2)