┌─ Escherichia coli (4-234/236) O111:H- str. 11128   
                                                                        ┌┴─ Escherichia coli (4-234/236) MS 115-1   
                                                                       ┌┴─ fig|1040638.4.peg.4546 O104:H4 (4-234/236) str. LB226692 (36)  
                                                                     ┌─┴─ Escherichia coli (4-234/236) ATCC 8739   
                                                                    ┌┴─ Escherichia coli (4-234/236) MS 69-1   
                                                                   ┌┴─ Escherichia coli (4-234/236) IAI39 (3)  
                                                                  ┌┴┬─ Escherichia coli (4-234/236) B171 (4)  
                                                                 ┌┤ └─ Escherichia coli (4-234/236) B354   
                                                                 │└┬─ Escherichia coli (4-234/236) FVEC1302 (3)  
                                                                ┌┤ └┬─ Escherichia coli (4-234/236) 042 (1)  
                                                                ││  └─ Escherichia coli (4-234/236) TA280   
                                                               ┌┤└┬─ Escherichia coli (4-234/236) MS 84-1   
                                                               ││ └─ Escherichia coli (4-234/236) MS 124-1   
                                                               │└┬─ Escherichia coli (4-234/236) O157:H7 EDL933  [2] 
┌──────────────────────────────────────────────────────────────┤ └┬─ Escherichia coli (4-234/236) K12 (48)  
│                                                              │  └┬─ Escherichia coli (4-234/236) M718   
│                                                              │   └─ Escherichia coli (4-234/236) 2362-75 (13)  
│                                                              └─ Escherichia coli (4-234/236) B185   
┤                                                               ┌── Escherichia coli TA206   
│                                                              ┌┴── Escherichia coli SE15   
│                                                             ┌┴─ Escherichia coli ED1a (2)  
│                                                            ┌┴── Escherichia coli APEC O1 (6)  
│                                                           ┌┴─ Escherichia coli H299 (1)  
└───────────────────────────────────────────────────────────┤┌── Escherichia coli 536 (4)  
                                                            └┤┌─ Escherichia coli 2362-75 (2)  
                                                             └┤┌─ Escherichia coli NC101 (1)  
                                                              └┤┌── Escherichia coli IAI39 (1)  
                                                               ││    ┌─ Escherichia coli 042 (13)  
                                                               └┤   ┌┴─ Escherichia coli B354   
                                                                │  ┌┴─ Escherichia coli TA143   
                                                                │  │   ┌─ Escherichia coli MS 69-1   
                                                                └──┤ ┌─┴─ Escherichia coli MS 21-1   
                                                                   │┌┴─ Escherichia coli 1044A (25)  
                                                                   └┤┌─ Escherichia coli B185   
                                                                    └┤┌─ Escherichia coli M718   
                                                                     └┤┌─ Escherichia coli 53638 (1)  
                                                                      └┤ ┌─ Escherichia coli IAI1 (4)  
                                                                       └┬┴─ Escherichia coli MS 107-1   
                                                                        └┬─ Escherichia coli MS 196-1   
                                                                         └┬─ Escherichia coli K12 (34)  
                                                                          └┬─ Escherichia coli MS 145-7   
                                                                           └─ fig|1040638.4.peg.4210 O104:H4 str. LB226692 (15)  
  
Respiratory nitrate reductase delta chain (EC 1.7.99.4) (40)
Others (2)