┬────────────────── Escherichia coli EC4100B   
└─────────┬───────────────────────────── Escherichia coli IAI1 (1)  
          └┬─ Escherichia coli K12 (93)  
           └┬───────────────────────────── Escherichia coli BW2952 (2)  
            └────────────────────────────┬───────────────────────────── Escherichia coli M605   
                                         └┬───────────────────────────── Escherichia coli NC101   
                                          └┬─ Escherichia coli IHE3034   
                                           └─ Escherichia coli 536 (23)  
  

  
hypothetical protein
 (8)