┌─ Escherichia coli (5-993/1175) APEC O1 (3)  
             ┌──────────────────────────────────┴─── Escherichia coli (5-993/1175) IAI39 (1)  
┌────────────┴────────────────────────────────────── Escherichia coli (1-989/1171) MS 107-1   
┤     ┌─────────────────────────────────── Escherichia coli (1-989/1171) 536 (1)  
└─────┤       ┌──────────────────────── Escherichia coli (1-989/1171) M718   
      └───────┤                      ┌────── Escherichia coli (1-989/1171) F11 (5)  
              └───────────┬──────────┴──────────── Escherichia coli (1-989/1171) 83972 (1)  
                          └─────────────────────────────────────┬─── fig|6666666.5357.peg.4181 TY-2482 (1-989/1171) strain   
                                                                └┬─ Escherichia coli (1-989/1171) 55989 (1)  
                                                                 └─ fig|1040638.4.peg.831 O104:H4 str. LB226692   
  

  
Putative superfamily I DNA helicases
 (8)
  
 Others 
(2)