┌─ Escherichia coli K12 (16)  
                                                                ┌┴─────── Escherichia coli str. K-12 substr. DH10B   
                                                         ┌──────┴─────── Escherichia coli MS 116-1   
                                            ┌────────────┴─ Escherichia coli ETEC H10407   
                                     ┌──────┴─ Escherichia coli 101-1 (4)  
                               ┌─────┴─────── Escherichia coli HS (1)  
                              ┌┴─────── Escherichia coli B7A (2)  
                             ┌┴─ fig|1040638.4.peg.2573 O104:H4 str. LB226692 (13)  
                ┌────────────┴───────────────────────────────── Escherichia coli MS 21-1   
         ┌──────┤┌─ Escherichia coli B171 (8)  
         │      └┤ ┌───────────── Escherichia coli E24377A (3)  
         │       └┬┴──────────────────── Escherichia coli H736 (1)  
  ┌──────┤        └─────────────────────────────────┬─────── Escherichia coli (1-375/377) EC4100B   
  │      │                                          └─ Escherichia coli SE11   
  │      └──────┬──────────────────── Escherichia coli B185   
 ┌┤             └───────────────────┬───────────── Escherichia coli M718   
 ││                                 └─────── Escherichia coli 1044A (25)  
 ││┌─────────────────────────── Escherichia coli IAI39 (1)  
 │└┤      ┌──────────────────── Escherichia coli SMS-3-5   
 │ └──────┤                    ┌─ Escherichia coli TA143   
 │        │┌───────────────────┴──────────────────── Escherichia coli 042 (1)  
 │        └┤      ┌─ Escherichia coli APEC O1 (8)  
┌┤         └──────┤        ┌─────── Escherichia coli ED1a (1)  
││                │ ┌──────┴──────────────────── Escherichia coli 2362-75 (1)  
││                └┬┴─────── Escherichia coli 83972 (6)  
││                 └┬───────────── Escherichia coli SE15   
┤│                  └────────────┬───────────── Escherichia coli M605   
││                               └┬─────── Escherichia coli WV_060327   
││                                └─────── Escherichia coli 536 (4)  
│└───────────────────┬─────────────────────────── Escherichia coli FVEC1302 (3)  
│                    └─ Escherichia coli B354   
└─────┬───────────── Escherichia coli H299   
      └──────┬───────────────────────────────── Escherichia coli TA280   
             └───────────────────────────────── Escherichia coli MS 69-1   
  
Nitric oxide reductase FlRd-NAD(+) reductase (EC 1.18.1.-) (33)
Others (1)