┌────── Escherichia coli H736 (1)  
                      ┌┴────── Escherichia coli HS (3)  
                ┌─────┴─ Escherichia coli K12 (17)  
          ┌─────┴─ Escherichia coli str. K-12 substr. DH10B   
    ┌─────┴─────────── Escherichia coli IAI39 (1)  
   ┌┴────┬────── Escherichia coli ED1a (1)  
┌──┤     └─ Escherichia coli O127:H6 str. E2348/69   
│  └─ Escherichia coli NC101 (3)  
│       ┌─ Escherichia coli B185   
│ ┌─────┴────── Escherichia coli M718   
┤ │                                        ┌────── Escherichia coli CFT073 (1)  
│ │                                       ┌┴───────────────────────────── Escherichia coli (1-577/594) 83972   
│ │                            ┌──────────┴─ Escherichia coli ABU 83972 (10)  
│ │                      ┌─────┴─ Escherichia coli H299   
│ │                     ┌┴────── Escherichia coli SE15   
└─┤               ┌─────┴─ Escherichia coli M605   
  │              ┌┴─ Escherichia coli F11 (2)  
  │        ┌─────┴────── Escherichia coli 536 (1)  
  │       ┌┴─ Escherichia coli 2362-75 (1)  
  │ ┌─────┴─────┬────── Escherichia coli SMS-3-5   
  │┌┤           └────── Escherichia coli MS 21-1   
  ││└───────────────── Escherichia coli 042  [2] 
  └┤┌─ Escherichia coli 1044A (20)  
   ││ ┌─────────── Escherichia coli TA206   
   └┤┌┴────── Escherichia coli 1125A (1)  
    ││           ┌─ Escherichia coli B7A (1)  
    └┤┌──────────┴────── Escherichia coli MS 145-7   
     ││                       ┌─ Escherichia coli B088   
     └┤                 ┌─────┴────── Escherichia coli EC4100B   
      │           ┌─────┴─ fig|1040638.4.peg.3267 O104:H4 str. LB226692 (10)  
      └──────────┬┴────── Escherichia coli B171 (5)  
                 └┬─ Escherichia coli B171 (13)  
                  └┬────── Escherichia coli MS 84-1   
                   └┬───────────────── Escherichia coli E110019 (1)  
                    └┬────── Escherichia coli B354   
                     └─────────── Escherichia coli MS 69-1   
  
DNA or RNA helicase of superfamily II (35)
Others (1)