┌─────────────────────────────────────────────────────────────────── Escherichia coli (52-231/243) 101-1 (14)  
┤                                                                 ┌─ Escherichia coli (51-238/238) E2348/69 (4)  
└─────────────────────────────────────────────────────────────────┤┌─ Escherichia coli (33-220/220) B str. REL606 (3)  
                                                                  ││  ┌─ Escherichia coli (33-220/220) ETEC H10407   
                                                                  └┤ ┌┴─ Escherichia coli (33-220/220) HS (1)  
                                                                   │┌┴─ Escherichia coli (33-220/220) K12 (91)  
                                                                   └┤ ┌─ Escherichia coli (33-220/220) MS 146-1   
                                                                    └┬┴─ Escherichia coli (33-220/220) TA143   
                                                                     └┬─ Escherichia coli (33-220/220) MS 124-1 (1)  
                                                                      └┬─ Escherichia coli (33-220/220) 1044A (11)  
                                                                       └┬─ Escherichia coli O157:H7 str. EC4196   
                                                                        └─ Escherichia coli (33-220/220) 1125A (11)  
  
Exodeoxyribonuclease X (EC 3.1.11.-) (11)
DNA polymerase III epsilon subunit (EC 2.7.7.7) (1)