┌───────────────────────────────────────────────────────────── Escherichia coli O157:H7 str. EC4024   
┤                                                         ┌─ Escherichia coli 2362-75 (2)  
└─────────────────────────────────────────────────────────┤  ┌─── Escherichia coli MS 196-1   
                                                          └──┤┌─ Escherichia coli K12 (113)  
                                                             └┤ ┌─── Escherichia coli 042 (1)  
                                                              │┌┴─── Escherichia coli MS 187-1   
                                                              └┤    ┌─ Escherichia coli APEC O1 (1)  
                                                               │ ┌──┴─── Escherichia coli S88   
                                                               └┬┴─────── Escherichia coli B171 (1)  
                                                                └┬─── Escherichia coli IAI39 (1)  
                                                                 └┬─── Escherichia coli M605   
                                                                  └─ Escherichia coli (1-279/290) SE15   
  

  
Ribonuclease BN (EC 3.1.-.-)
 (12)