┌─ Escherichia coli (42-225/225) MS 21-1   
                                               ┌┴─ Escherichia coli (42-225/225) K12 (7)  
                                              ┌┴─ Escherichia coli (42-225/225) 042 (119)  
                                             ┌┴─ fig|6666666.5357.peg.1031 TY-2482 (48-224/224) strain   
┌────────────────────────────────────────────┴─ Escherichia coli (42-225/225) 536 (1)  
┤                      ┌─ Escherichia coli (43-225/226) M605   
└──────────────────────┤┌─ Escherichia coli (43-225/226) 2362-75 (15)  
                       ││   ┌─ Escherichia coli (43-225/226) 83972 (4)  
                       └┤  ┌┴─ Escherichia coli (43-225/226) ED1a   
                        │ ┌┴┬─ Escherichia coli (43-225/226) TA206   
                        │┌┤ └─ Escherichia coli (43-225/226) 536 (3)  
                        └┤└─ Escherichia coli (43-225/226) SMS-3-5   
                         │                    ┌────────────────────── Escherichia coli (43-220/220) O157:H7 str. EC4024   
                         └────────────────────┤   ┌─ Escherichia coli (43-225/226) TA143   
                                              └───┤┌─ Escherichia coli (43-225/226) 042 (5)  
                                                  └┤  ┌─ Escherichia coli (43-225/226) 53638 (5)  
                                                   └─┬┴─ Escherichia coli (43-225/226) M718   
                                                     └┬─ Escherichia coli (43-225/226) K12 (78)  
                                                      └┬─ fig|1040638.4.peg.4209 O104:H4 (43-225/226) str. LB226692 (2)  
                                                       └─ Escherichia coli (43-225/226) O26:H11 str. 11368   
  
Respiratory nitrate reductase gamma chain (EC 1.7.99.4) (18)
Others (2)