┌─────── Escherichia coli MS 196-1   
                                     ┌┴─ Escherichia coli K12 (10)  
                                    ┌┴─────── Escherichia coli MS 146-1   
                             ┌──────┴─ Escherichia coli 101-1 (4)  
                            ┌┴─ Escherichia coli ATCC 8739 (1)  
┌───────────────────────────┴─ Escherichia coli ATCC 8739 (1)  
│                                 ┌──────── Escherichia coli E110019  [2] 
│                                ┌┴─────── Escherichia coli B171 (1)  
│                               ┌┴─ Escherichia coli E22 (1)  
│                              ┌┴┬─ Escherichia coli O103:H2 str. 12009   
│                       ┌──────┤ └─ Escherichia coli MS 124-1 (3)  
┤                ┌──────┤      └─ Escherichia coli O111:H- str. 11128 (1)  
│                │      └┬─ Escherichia coli KO11 (2)  
│               ┌┤       └─ fig|1040638.4.peg.2904 O104:H4 str. LB226692 (4)  
│               │└──────┬─ Escherichia coli MS 119-7   
│        ┌──────┤       └─ Escherichia coli H591 (1)  
│        │      └─ Escherichia coli IAI1 (2)  
└────────┤      ┌─────────────── Escherichia coli M718   
         │      │               ┌─ Escherichia coli FVEC1412 (1)  
         │      │              ┌┴─────── Escherichia coli TA143   
         └──────┤       ┌──────┴─ Escherichia coli FVEC1302 (1)  
                │      ┌┴─────── Escherichia coli TA280   
                │      │              ┌─ Escherichia coli 536A (9)  
                └──────┤             ┌┴─ Escherichia coli O157:H7 EDL933 (1)  
                       │      ┌──────┴─ Escherichia coli 1044A (14)  
                       └──────┤ ┌─────── Escherichia coli MS 69-1   
                              │┌┴─────── Escherichia coli 042 (1)  
                              └┤             ┌─ Escherichia coli MS 21-1   
                               └──────┬──────┴─────── Escherichia coli SMS-3-5   
                                      └──────┬────────────────────── Escherichia coli IAI39 (1)  
                                             └─────── Escherichia coli B354   
  
Hydrogenase-4 component F (EC 1.-.-.-) (30)
Others (1)