┌───────────────── Escherichia coli K12 (19)  
┤      ┌──────────── Escherichia coli (18-297/297) E2348/69 (2)  
│      │   ┌──────────── Escherichia coli ETEC H10407   
└──────┤  ┌┴─ Escherichia coli (18-297/297) 042 (71)  
       │ ┌┴┬──────────── Escherichia coli H299   
       │┌┤ └──────────── Escherichia coli SE11   
       └┤└──────────── Escherichia coli O83:H1 str. NRG 857C   
        │┌──────────── Escherichia coli MS 69-1   
        └┤┌──────────── Escherichia coli E24377A (1)  
         └┤           ┌─ Escherichia coli M718 (1)  
          └───────────┤                       ┌─ Escherichia coli B185   
                      └───────────┬───────────┴──────────────────────── Escherichia coli IAI39 (1)  
                                  └┬──────────────────────── Escherichia coli O157:H7 str. EC869 (2)  
                                   └─ Escherichia coli 1044A (22)  
  

  
Protein involved in catabolism of external DNA
 (14)