┌─ Escherichia coli O111:H- str. 11128   
                                                                         ┌┴─ Escherichia coli MS 115-1   
                                                                        ┌┴─ fig|1040638.4.peg.4546 O104:H4 str. LB226692 (36)  
                                                                      ┌─┴─ Escherichia coli ATCC 8739   
                                                                     ┌┴─ Escherichia coli MS 69-1   
                                                                    ┌┴─ Escherichia coli IAI39 (3)  
                                                                   ┌┴┬─ Escherichia coli B171 (4)  
                                                                  ┌┤ └─ Escherichia coli B354   
                                                                  │└┬─ Escherichia coli FVEC1302 (3)  
                                                                 ┌┤ └┬─ Escherichia coli TA280   
                                                                 ││  └─ Escherichia coli 042 (1)  
                                                                ┌┤└┬─ Escherichia coli MS 84-1   
                                                                ││ └─ Escherichia coli MS 124-1   
                                                                │└┬─ Escherichia coli K12 (48)  
                                                               ┌┤ └┬─ Escherichia coli 2362-75 (13)  
                                                               ││  └─ Escherichia coli M718   
┌──────────────────────────────────────────────────────────────┤└─ Escherichia coli O157:H7 EDL933  [2] 
│                                                              └─ Escherichia coli B185   
│                                                               ┌── Escherichia coli (4-229/231) TA206   
┤                                                              ┌┴── Escherichia coli (4-229/231) SE15   
│                                                             ┌┴─ Escherichia coli (4-229/231) ED1a (2)  
│                                                            ┌┴── Escherichia coli (4-229/231) APEC O1 (6)  
│                                                           ┌┴─ Escherichia coli (4-229/231) H299 (1)  
└───────────────────────────────────────────────────────────┤┌── Escherichia coli (4-229/231) 536 (4)  
                                                            └┤┌─ Escherichia coli (4-229/231) NC101 (1)  
                                                             └┤┌─ Escherichia coli (4-230/231) 2362-75 (2)  
                                                              └┤┌── Escherichia coli (4-229/231) IAI39 (1)  
                                                               ││    ┌─ Escherichia coli (4-229/231) TA143   
                                                               └┤   ┌┴─ Escherichia coli (4-229/231) 042 (13)  
                                                                │  ┌┴─ Escherichia coli (4-229/231) B354   
                                                                │  │   ┌─ Escherichia coli (4-229/231) MS 21-1   
                                                                └──┤ ┌─┴─ Escherichia coli (4-229/231) MS 69-1   
                                                                   │┌┴─ Escherichia coli (4-229/231) 1044A (25)  
                                                                   └┤┌─ Escherichia coli (4-230/231) B185   
                                                                    └┤┌─ Escherichia coli (4-229/231) M718   
                                                                     └┤┌─ Escherichia coli (4-229/231) 53638 (1)  
                                                                      └┤ ┌─ Escherichia coli (4-229/231) MS 107-1   
                                                                       └┬┴─ Escherichia coli (4-229/231) IAI1 (4)  
                                                                        └┬─ Escherichia coli (4-229/231) MS 196-1   
                                                                         └┬─ Escherichia coli (4-229/231) K12 (34)  
                                                                          └┬─ fig|1040638.4.peg.4210 O104:H4 (4-229/231) str. LB226692 (15)  
                                                                           └─ Escherichia coli (4-229/231) MS 145-7   
  
Respiratory nitrate reductase delta chain (EC 1.7.99.4) (40)
Others (2)