┌─ Escherichia coli O55:H7 str. CB9615   
     ┌───────────┴──────────── Escherichia coli 1044A (24)  
    ┌┴──────────── Escherichia coli M718   
┌───┴─ Escherichia coli B185   
┤       ┌──────────── Escherichia coli B088 (5)  
│       │              ┌─ Escherichia coli 1827-70 (6)  
└───────┤  ┌───────────┴──────────── Escherichia coli 101-1   
        │ ┌┴──────────────────────── Escherichia coli 53638 (3)  
        │┌┴─ Escherichia coli K12 (43)  
        └┤┌──────────── Escherichia coli B354   
         └┤            ┌─ Escherichia coli 2362-75 (7)  
          │           ┌┴──────────── Escherichia coli MS 21-1 (1)  
          └───────────┤             ┌──────────────────────── Escherichia coli IAI39 (1)  
                      │            ┌┴──────────── Escherichia coli FVEC1302 (4)  
                      └───────────┬┴─ Escherichia coli 042 (4)  
                                  └───────────┬─ Escherichia coli NC101   
                                              └───────────┬──────────── Escherichia coli 536 (1)  
                                                          └─ Escherichia coli 83972 (16)  
  
2'-5' RNA ligase (16)
2'-5' RNA ligase (EC 6.5.1.-) (2)