┌─ Escherichia coli (3-511/552) E110019 (2)  
                                                               ┌─┴─ Escherichia coli (3-511/552) E22 (1)  
┬──────────────────────────────────────────────────────────────┴── Escherichia coli (2-487/536) 2362-75   
└──────────────────────────────────────────────────────────────┬─ fig|1040638.4.peg.168 O104:H4 str. LB226692 (1)  
                                                               └─┬─ Escherichia coli O157:H7 str. EC4501 (1)  
                                                                 └─── Escherichia coli 1125A (2)  
  

  
Putative ATP-dependent helicase
 (5)
  
 Others 
(1)