┌─ Escherichia coli 2362-75   
                                          ┌────────────┴───────────── Escherichia coli (2-805/805) E2348/69 (1)  
                             ┌────────────┴─ Escherichia coli H299   
                ┌────────────┴┬─ Escherichia coli MS 21-1   
                │             └┬───────────── Escherichia coli IAI39 (1)  
   ┌────────────┤              └───────────── Escherichia coli SMS-3-5   
  ┌┤            └─ Escherichia coli SE15   
 ┌┤└───────────── Escherichia coli TA271   
 │└─ fig|1040638.4.peg.1586 O104:H4 str. LB226692 (84)  
┌┤             ┌─ Escherichia coli FVEC1302 (2)  
││            ┌┴───────────── Escherichia coli UMN026   
│└────────────┤                         ┌─ Escherichia coli 536 (20)  
┤             └────────────┬────────────┴───────────── Escherichia coli WV_060327   
│                          └─┬───────────── Escherichia coli M605   
│                            └─ Escherichia coli B354   
│┌───────────── Escherichia coli MS 175-1   
└┤ ┌───────────── Escherichia coli NC101   
 └┬┴─── Escherichia coli O157:H7 EDL933  [2] 
  └┬───────────── Escherichia coli K12   
   └┬───────────── Escherichia coli (2-805/805) 042 (2)  
    └───────────── Escherichia coli MS 116-1   
  

  
DNA gyrase subunit B (EC 5.99.1.3)
 (20)
  
 Others 
(1)