┌─ Escherichia coli 2362-75 (27)  
                                                                       ┌┴─ Escherichia coli M605   
                                                                      ┌┴─ Escherichia coli MS 124-1 (1)  
                                                                     ┌┴─ Escherichia coli K12 (18)  
                                                                    ┌┴─ Escherichia coli B171 (4)  
                                                                   ┌┴┬─ fig|1040638.4.peg.4545 O104:H4 str. LB226692 (68)  
                                                                  ┌┤ └─ Escherichia coli 101-1   
                                                                  │└┬─ Escherichia coli SE11   
                                                                 ┌┤ └─ Escherichia coli B185   
                                                                 │└┬─ Escherichia coli HS (1)  
                                                                ┌┤ └─ Escherichia coli O26:H11 str. 11368   
┌───────────────────────────────────────────────────────────────┤└─ Escherichia coli E24377A (1)  
│                                                               └─ Escherichia coli B354   
┤                                                             ┌─ Escherichia coli (1-505/514) MS 69-1   
│                                                             │ ┌─ Escherichia coli (1-505/514) H299   
└─────────────────────────────────────────────────────────────┤┌┴─ Escherichia coli (1-505/514) WV_060327   
                                                              ││  ┌─ Escherichia coli (1-505/514) MS 115-1   
                                                              ││ ┌┴─ Escherichia coli (1-505/514) B171 (10)  
                                                              └┤┌┴─ Escherichia coli (1-505/514) 101-1 (4)  
                                                               ││    ┌─ Escherichia coli (1-505/514) 1827-70 (19)  
                                                               ││   ┌┴─ fig|1040638.4.peg.4211 O104:H4 (1-505/514) str. LB226692 (3)  
                                                               └┤  ┌┴─ Escherichia coli (1-505/514) 042 (1)  
                                                                │ ┌┴┬─ Escherichia coli (1-505/514) B7A (1)  
                                                                │ │ └┬─ Escherichia coli (1-505/514) TA143   
                                                                │┌┤  └─ Escherichia coli (1-505/514) IAI1 (1)  
                                                                └┤└─ Escherichia coli (1-505/514) HS (1)  
                                                                 │┌─ Escherichia coli (1-505/514) TA280   
                                                                 └┤┌─ Escherichia coli (1-505/514) 83972 (5)  
                                                                  ││    ┌─ Escherichia coli (1-505/514) 536 (3)  
                                                                  └┤   ┌┴─ Escherichia coli (1-504/514) MS 200-1   
                                                                   │  ┌┴─ Escherichia coli (1-505/514) ED1a (1)  
                                                                   │ ┌┴─ Escherichia coli (1-505/514) M605 (4)  
                                                                   └┬┴─ Escherichia coli (1-505/514) 2362-75 (2)  
                                                                    └┬─ Escherichia coli (1-505/514) 1044A (25)  
                                                                     └┬── Escherichia coli (1-505/514) M718   
                                                                      └┬─ Escherichia coli (1-505/514) APEC O1 (12)  
                                                                       └┬─ Escherichia coli (1-505/514) MS 146-1   
                                                                        └─ Escherichia coli (1-505/514) K12 (14)  
  
Respiratory nitrate reductase beta chain (EC 1.7.99.4) (36)
Others (2)