┌──────────────────────────────────────────────────────────────── Escherichia coli (1-72/74) TA206   
│                                                                    ┌─ Escherichia coli 1044A (22)  
┤                                                                 ┌──┴─ Escherichia coli O157:H7 EDL933 (1)  
│                                                              ┌──┴─── Escherichia coli O55:H7 str. CB9615   
└──────────────────────────────────────────────────────────────┤ ┌─ Escherichia coli K12 (72)  
                                                               └┬┴─── Escherichia coli E110019 (1)  
                                                                └──┬─ Escherichia coli O127:H6 str. E2348/69   
                                                                   └─ Escherichia coli 2362-75 (26)  
  

  
YdcH protein
 (6)
  
hypothetical protein
 (2)