┌─────────── Escherichia coli MS 69-1   
                                    ┌────────────────────┴─ Escherichia coli B354   
               ┌────────────────────┴─ Escherichia coli TA280   
┌──────────────┴┬────────── Escherichia coli B185   
│               └─ Escherichia coli 042 (24)  
┤       ┌────────── fig|1040638.4.peg.3338 O104:H4 str. LB226692 (4)  
│      ┌┴─────────── Escherichia coli 53638 (1)  
└─────┬┴─ Escherichia coli (11-98/98) K12 (34)  
      └──────────┬─ Escherichia coli 1044A (29)  
                 └──────────┬───────────────────────────────── Escherichia coli E2348/69 (1)  
                            └┬─────────── Escherichia coli SE15   
                             └──────────┬─ Escherichia coli 536 (23)  
                                        └┬────────── Escherichia coli ED1a (2)  
                                         └─ Escherichia coli 2362-75   
  

  
Polymyxin resistance protein PmrD
 (13)
  
 Others 
(1)