┬─────────── Escherichia coli K12 (15)  
└────────┬─ Escherichia coli (13-164/164) 042 (111)  
         └┬─────────────────── Escherichia coli 101-1   
          └───────────────────┬─ Escherichia coli O157:H7 str. EC4486   
                              └───────────────────┬─ Escherichia coli O127:H6 str. E2348/69   
                                                  └──────────────────── Escherichia coli (13-164/164) E2348/69 (1)  
  

  
Cell division protein MraZ
 (6)