┌─ Escherichia coli (40-196/231) 1044A (23)  
                                                                    ┌┴─ Escherichia coli (40-196/231) M718   
                                                                   ┌┴─ Escherichia coli (40-196/231) K12 (100)  
                                                                  ┌┴─ Escherichia coli (40-196/231) 55989 (1)  
┌─────────────────────────────────────────────────────────────────┴─ fig|1040638.4.peg.3288 O104:H4 (41-196/231) str. LB226692 (1)  
┤                                                                ┌─ Escherichia coli FVEC1302 (7)  
└────────────────────────────────────────────────────────────────┤┌─ Escherichia coli 2362-75 (2)  
                                                                 └┤ ┌─ Escherichia coli 101-1 (7)  
                                                                  │┌┴─ Escherichia coli B str. REL606 (2)  
                                                                  └┤┌─ Escherichia coli K12 (97)  
                                                                   └┤ ┌─ Escherichia coli E22 (2)  
                                                                    └┬┴─ Escherichia coli B171 (1)  
                                                                     └┬─ Escherichia coli M605 (1)  
                                                                      └┬─ Escherichia coli B088 (1)  
                                                                       └─ Escherichia coli H299 (2)  
  

  
Ferredoxin-type protein NapF (periplasmic nitrate reductase)
 (10)
  
Ferredoxin-type protein NapG (periplasmic nitrate reductase)
 (4)
  
 Others 
(1)