┌────────────────── Escherichia coli O26:H11 str. 11368   
┤           ┌─ Escherichia coli K12 (101)  
└──────────┬┴───────────────────────────── Escherichia coli (3-114/114) E2348/69 (3)  
           └────────────────────────────┬───────────────────────────── Escherichia coli ED1a (1)  
                                        └─ Escherichia coli (3-114/114) APEC O1 (23)  
  

  
Periplasmic divalent cation tolerance protein cutA
 (5)