┌─ Escherichia coli (25-288/357) E110019 (1)  
                                                                      ┌┴─ Escherichia coli (25-288/357) MS 115-1   
                                                                     ┌┴─ Escherichia coli (25-288/357) 101-1 (16)  
                                                                    ┌┴┬─ Escherichia coli (25-288/357) K12 (14)  
                                                                   ┌┤ └─ Escherichia coli (25-288/357) MS 78-1   
                                                                   │└─ Escherichia coli (25-288/357) KO11 (3)  
                                                                  ┌┤ ┌─ Escherichia coli (25-288/357) E22 (2)  
                                                                  │└┬┴─ Escherichia coli (25-288/357) MS 124-1 (1)  
                                                                 ┌┤ └┬─ Escherichia coli (25-288/357) ATCC 8739 (1)  
                                                                 ││  └─ Escherichia coli (25-288/357) IAI1 (3)  
                                                                 │└┬─ Escherichia coli (25-288/357) M718   
┌────────────────────────────────────────────────────────────────┤ └┬─ Escherichia coli (1-288/357) B185   
│                                                                │  └─ Escherichia coli (1-288/357) 1044A (24)  
│                                                                └─ Escherichia coli (25-288/357) H299   
┤                                                                 ┌─ Escherichia coli IAI39 (1)  
│                                                                 │   ┌─ Escherichia coli 53638 (1)  
│                                                                 │  ┌┴─ Escherichia coli ATCC 8739 (1)  
└─────────────────────────────────────────────────────────────────┤ ┌┴┬─ Escherichia coli TA143   
                                                                  │┌┤ └─ fig|1040638.4.peg.3287 O104:H4 str. LB226692 (33)  
                                                                  ││└─ Escherichia coli O26:H11 str. 11368   
                                                                  ││  ┌─ Escherichia coli E110019 (1)  
                                                                  └┤ ┌┴─ Escherichia coli MS 107-1   
                                                                   │┌┴─ Escherichia coli MS 21-1 (1)  
                                                                   ││  ┌─ Escherichia coli K12 (48)  
                                                                   └┤ ┌┴─ Escherichia coli WV_060327   
                                                                    │┌┴─ Escherichia coli M605 (1)  
                                                                    └┤ ┌─ Escherichia coli M718   
                                                                     └┬┴─ Escherichia coli 1212A (1)  
                                                                      └┬─ Escherichia coli O157:H7 EDL933   
                                                                       └─ Escherichia coli 1044A (29)  
  
Polyferredoxin NapH (periplasmic nitrate reductase) (15)
Hypothetical iron-sulfur cluster binding protein YccM (14)
Others (1)