┌─ Escherichia coli B7A (3)  
                                        ┌──────────────┴─────────────── Escherichia coli IAI1 (1)  
                                       ┌┴┬─────────────── Escherichia coli MS 182-1   
                        ┌──────────────┤ └─────────────── Escherichia coli MS 196-1   
┌───────────────────────┤              └─ Escherichia coli K12 (39)  
┤                       └─ Escherichia coli ATCC 8739 (9)  
└───────────────────┬─ Escherichia coli 042 (35)  
                    └──────────────┬─ Escherichia coli M718 (1)  
                                   └──────────────┬─────────────── Escherichia coli 83972 (13)  
                                                  └┬─ Escherichia coli 536 (15)  
                                                   └┬─────────────── Escherichia coli MS 21-1   
                                                    └─────────────── Escherichia coli 2362-75 (2)  
  
Protein inaA (12)