┌──────────────────── Escherichia coli MS 107-1   
┤  ┌─ Escherichia coli (14-503/503) K12 (81)  
│ ┌┴──────────────────── Escherichia coli MS 115-1   
└┬┴──────────────────── Escherichia coli E110019 (1)  
 └───────────────────┬──────────────────── Escherichia coli H299   
                     └┬──────────────────── Escherichia coli MS 69-1   
                      └┬─ Escherichia coli 042 (8)  
                       └┬──────────────────── Escherichia coli TA280   
                        └┬──────────────────── Escherichia coli B354   
                         └───────────────────┬──────────────────── Escherichia coli O127:H6 str. E2348/69 (1)  
                                             └┬──────────────────── Escherichia coli APEC O1 (10)  
                                              └─ Escherichia coli 2362-75 (16)  
  

  
GTP-binding protein EngA
 (12)