┌─ Escherichia coli (186-338/338) ETEC H10407   
                                                               ┌─┴── Escherichia coli (245-397/397) MS 145-7   
┌──────────────────────────────────────────────────────────────┴┬── Escherichia coli (186-338/338) S88   
┤                                                               └─ Escherichia coli (186-338/338) K12 (19)  
└───────────────────────────────────────────────────────┬──────────── Escherichia coli (1019-1171/1171) MS 107-1   
                                                        └┬─ Escherichia coli (1023-1175/1175) APEC O1 (5)  
                                                         └──────┬── fig|6666666.5357.peg.4181 TY-2482 (1019-1171/1171) strain (2) [2] 
                                                                └┬── Escherichia coli (1019-1171/1171) 83972 (1)  
                                                                 └┬───── Escherichia coli (1019-1171/1171) F11 (5)  
                                                                  └┬── Escherichia coli (1019-1171/1171) 536 (1)  
                                                                   └─ Escherichia coli (1019-1171/1171) M718   
  

  
Putative superfamily I DNA helicases
 (9)
  
putative frameshift suppressor
 (1)
  
 Others 
(1)