┌─ Escherichia coli MS 115-1   
                                                            ┌┴─── Escherichia coli ATCC 8739 (2)  
┌───────────────────────────────────────────────────────────┴──── fig|1040638.4.peg.2100 O104:H4 str. LB226692 (5)  
┤                                                        ┌─ Escherichia coli MS 21-1   
└────────────────────────────────────────────────────────┤  ┌─── Escherichia coli FVEC1302 (4)  
                                                         │  │   ┌── Escherichia coli EC4100B   
                                                         └──┤  ┌┴─ fig|1040638.4.peg.5261 O104:H4 str. LB226692 (19)  
                                                            │┌─┴── Escherichia coli E110019 (1)  
                                                            ││ ┌─ Escherichia coli K12 (21)  
                                                            └┤┌┴── Escherichia coli B354 (1)  
                                                             ││   ┌─ Escherichia coli B171 (11)  
                                                             └┤  ┌┴── Escherichia coli MS 84-1   
                                                              │┌─┴── Escherichia coli H736 (1)  
                                                              └┤┌─── Escherichia coli 1044A (25)  
                                                               └┤┌── Escherichia coli SMS-3-5   
                                                                └┤┌─ Escherichia coli 2362-75 (23)  
                                                                 └┤  ┌─ Escherichia coli APEC O1 (9)  
                                                                  └┬─┴─── Escherichia coli WV_060327   
                                                                   └┬── Escherichia coli TA280   
                                                                    └── Escherichia coli B7A (4)  
  

  
Cation efflux system protein CusF precursor
 (18)
  
 Others 
(2)