┌─ Escherichia coli B354   
                                                                          ┌┴─ Escherichia coli FVEC1302 (3)  
                                                                         ┌┴─ Escherichia coli MS 69-1   
                                                                        ┌┴─ Escherichia coli SMS-3-5 (1)  
                                                                       ┌┴┬─ Escherichia coli MS 115-1   
                                                                       │ └┬─ Escherichia coli 042 (4)  
                                                                      ┌┤  └┬─ Escherichia coli O157:H7 EDL933 (1)  
                                                                      ││   └─ Escherichia coli 1044A (22)  
                                                                      │└┬─ Escherichia coli MS 145-7   
                                                                      │ └─ Escherichia coli B7A (1)  
                                                                     ┌┤  ┌─ Escherichia coli 83972 (5)  
                                                                     ││ ┌┴─ Escherichia coli APEC O1 (6)  
                                                                     ││┌┴┬─ Escherichia coli WV_060327   
                                                                     │└┤ └─ Escherichia coli E2348/69 (7)  
                                                                    ┌┤ └┬─ Escherichia coli MS 21-1   
                                                                    ││  └┬─ Escherichia coli 536 (4)  
                                                                    ││   └┬─ Escherichia coli IAI39 (1)  
                                                                   ┌┤│    └─ Escherichia coli TA206   
                                                                   ││└─ Escherichia coli H299   
                                                                   ││ ┌─ Escherichia coli KO11 (2)  
                                                                   │└┬┴─ Escherichia coli 101-1 (13)  
                                                                  ┌┤ └┬─ Escherichia coli MS 187-1   
                                                                  ││  └┬─ Escherichia coli K12 (17)  
                                                                  ││   └┬─ Escherichia coli 53638 (1)  
┌─────────────────────────────────────────────────────────────────┤│    └─ fig|1040638.4.peg.5605 O104:H4 str. LB226692 (11)  
│                                                                 │└─ Escherichia coli B171 (1)  
┤                                                                 └─ Escherichia coli E22 (1)  
│                                                                 ┌─ Escherichia coli (4-601/601) 53638 (1)  
│                                                                 │┌─ Escherichia coli (4-601/601) ATCC 8739 (1)  
└─────────────────────────────────────────────────────────────────┤│┌─ Escherichia coli (4-601/601) O103:H2 str. 12009   
                                                                  │││      ┌─ Escherichia coli (4-601/601) MS 69-1   
                                                                  └┤│     ┌┴─ Escherichia coli (4-601/601) FVEC1302 (3)  
                                                                   ││    ┌┴─ Escherichia coli (4-601/601) TA280   
                                                                   ││   ┌┴─ Escherichia coli (4-601/601) M718   
                                                                   └┤  ┌┴─ Escherichia coli (4-601/601) B185   
                                                                    │ ┌┴┬─ Escherichia coli (4-601/601) MS 187-1   
                                                                    │ │ └┬─ Escherichia coli (4-601/601) B7A (1)  
                                                                    │┌┤  └─ Escherichia coli (4-601/601) MS 145-7   
                                                                    ││└┬─ fig|1040638.4.peg.1917 O104:H4 (4-601/601) str. LB226692 (27)  
                                                                    └┤ └┬─ Escherichia coli (4-601/601) TA143   
                                                                     │  └─ Escherichia coli (4-601/601) MS 124-1 (1)  
                                                                     │┌─ Escherichia coli (4-601/601) TA271   
                                                                     └┤┌─ Escherichia coli (4-601/601) E24377A (3)  
                                                                      └┤ ┌─ Escherichia coli (4-601/601) 042 (1)  
                                                                       │┌┴─ Escherichia coli (4-601/601) K12 (13)  
                                                                       └┤┌─ Escherichia coli (4-601/601) O55:H7 str. CB9615   
                                                                        └┤┌─ Escherichia coli (4-601/601) SE15   
                                                                         ││  ┌─ Escherichia coli (4-601/601) E2348/69 (1)  
                                                                         └┤ ┌┴─ Escherichia coli (4-601/601) 2362-75   
                                                                          │┌┴─ Escherichia coli (4-601/601) H299   
                                                                          └┤ ┌─ Escherichia coli (4-601/601) ED1a (1)  
                                                                           └┬┴─ Escherichia coli (4-601/601) MS 21-1   
                                                                            └┬─ Escherichia coli (4-601/601) 83972 (15)  
                                                                             └┬─ Escherichia coli (4-601/601) SMS-3-5   
                                                                              └─ Escherichia coli (4-601/601) M605   
  
Glutathione-regulated potassium-efflux system protein KefB (27)
Glutathione-regulated potassium-efflux system protein KefC (26)
Others (2)