┌─ Escherichia coli (9-51/83) B7A (1)  
┬──────────────────────────────────────────────────────┴────── Escherichia coli (9-51/83) H299 (5)  
└─────────────────────────────────────────────────────────┬──── fig|1040638.4.peg.574 O104:H4 str. LB226692 (1)  
                                                          └┬─ Escherichia coli E22 (9)  
                                                           └───┬────── Escherichia coli O157:H7 str. EC4486   
                                                               └─ Escherichia coli SE11   
  

  
IncI1 plasmid conjugative transfer protein TraS
 (5)
  
 Others 
(1)