┌─ Escherichia coli 1044A (22)  
                        ┌┴───────────── Escherichia coli O157:H7 str. EC4401   
┌───────────────────────┴───────────── Escherichia coli O157:H7 str. EC4042 (1)  
│                   ┌──────────── Escherichia coli (10-443/443) 53638 (5)  
│                  ┌┴───────────── Escherichia coli B354 (1)  
│                 ┌┴────────────── Escherichia coli 042  [2] 
┤                ┌┴────────────── Escherichia coli B171 (4) [2] 
│               ┌┴────────────┬───────────── Escherichia coli BL21   
│              ┌┤             └─ Escherichia coli 101-1 (6)  
│              │└┬─ Escherichia coli K12 (46)  
└──────────────┤ └┬───────────── Escherichia coli MS 107-1   
               │  └───────────── Escherichia coli EC4100B   
               │┌───────────── Escherichia coli IAI39 (1)  
               └┤            ┌─────────────────────────────────────── Escherichia coli SMS-3-5   
                └────────────┤┌───────────── Escherichia coli M605   
                             └┤ ┌───────────── Escherichia coli TA206   
                              └┬┴─ Escherichia coli 536 (21)  
                               └┬───────────── Escherichia coli (10-443/443) APEC O1 (2)  
                                └────────────┬─ Escherichia coli 2362-75   
                                             └┬───────────── Escherichia coli O127:H6 str. E2348/69   
                                              └──────────── Escherichia coli (10-443/443) E2348/69   
  

  
NADH dehydrogenase (EC 1.6.99.3)
 (21)