┌─ Escherichia coli MS 196-1   
┬─────────────────────────────────────────────────┴─────────── fig|1040638.4.peg.424 O104:H4 str. LB226692 (3) [2] 
└────────────────────────────────────────────────────────┬─ Escherichia coli E22 (5)  
                                                         └┬─ Escherichia coli E24377A   
                                                          └┬─────────── Escherichia coli KO11 (2)  
                                                           └─────────── Escherichia coli O157:H7 str. EC4024   
  

  
Eaa protein
 (5)
  
 Others 
(1)