┌─ Escherichia coli (213-1015/1016) 2362-75 (23)  
                                                                           ┌┴─ Escherichia coli (213-1015/1016) TA206   
                                                                          ┌┴─ Escherichia coli (213-1015/1016) M605 (2)  
                                                                         ┌┴─ Escherichia coli (213-1015/1016) FVEC1302 (4)  
                                                                        ┌┴─ Escherichia coli (213-1015/1016) 536 (5)  
                                                                       ┌┴─ Escherichia coli (213-1015/1016) MS 21-1 (1)  
                                                                      ┌┴┬─ Escherichia coli (213-1015/1016) BW2952 (2)  
                                                                     ┌┤ └─ Escherichia coli (213-1015/1016) K12 (19)  
                                                                     │└─ Escherichia coli (213-1015/1016) MS 187-1   
                                                                    ┌┤┌─ Escherichia coli (213-1015/1016) ATCC 8739   
                                                                    │└┤ ┌─ Escherichia coli (213-1015/1016) 1827-70 (1)  
                                                                    │ └┬┴─ Escherichia coli (213-1015/1016) MS 116-1 (1)  
                                                                   ┌┤  └┬─ Escherichia coli (213-1015/1016) DH1   
                                                                   ││   └┬─ Escherichia coli (213-1015/1016) ETEC H10407   
                                                                   ││    └─ Escherichia coli (213-1015/1016) MS 115-1   
                                                                  ┌┤└┬─ Escherichia coli (213-1015/1016) TA280   
                                                                  ││ └─ Escherichia coli (213-1015/1016) M718   
                                                                 ┌┤└─ fig|1040638.4.peg.1309 O104:H4 (149-951/952) str. LB226692 (44)  
                                                                 │└┬─ Escherichia coli (213-1015/1016) B354   
┌────────────────────────────────────────────────────────────────┤ └┬─ Escherichia coli (213-1015/1016) H299   
│                                                                │  └─ Escherichia coli (213-1015/1016) TA143   
│                                                                └┬─ Escherichia coli (213-1015/1016) O55:H7 str. CB9615   
│                                                                 └┬─ Escherichia coli (213-1015/1016) 1125A (15)  
│                                                                  └┬─ Escherichia coli (213-1015/1016) O157:H7 EDL933 (1)  
┤                                                                   └─ Escherichia coli (213-1015/1016) 1044A (6)  
│                                                               ┌─ Escherichia coli (213-1015/1015) MS 69-1 (1)  
│                                                               │  ┌─ Escherichia coli (213-1015/1015) O83:H1 str. NRG 857C (3)  
│                                                               │ ┌┴─ Escherichia coli (213-1015/1015) H299 (1)  
│                                                               │┌┴┬─ Escherichia coli (213-1015/1015) ED1a (1)  
└───────────────────────────────────────────────────────────────┤│ └─ Escherichia coli (213-1015/1015) 536 (22)  
                                                                ││     ┌─ Escherichia coli B171 (5)  
                                                                ││    ┌┴─ Escherichia coli (213-1015/1015) O103:H2 str. 12009   
                                                                ││   ┌┴─ Escherichia coli (213-1015/1015) 1044A (28)  
                                                                └┤  ┌┴┬─ Escherichia coli (213-1015/1015) M718 (1)  
                                                                 │ ┌┤ └─ Escherichia coli (213-1015/1015) O55:H7 str. CB9615   
                                                                 │┌┤└─ Escherichia coli 042 (13)  
                                                                 ││└┬─ Escherichia coli (213-1015/1015) K12 (7)  
                                                                 ││ └┬─ Escherichia coli (213-1015/1015) ETEC H10407 (11)  
                                                                 ││  └┬─ Escherichia coli 53638 (2)  
                                                                 └┤   └─ Escherichia coli (213-1015/1015) MS 196-1 (1)  
                                                                  │ ┌─ Escherichia coli HS (17)  
                                                                  │┌┴─ Escherichia coli (213-1015/1015) 1827-70 (3)  
                                                                  ││  ┌─ Escherichia coli (213-1015/1015) 83972 (6)  
                                                                  └┤ ┌┴─ Escherichia coli (213-1015/1015) 2362-75 (4)  
                                                                   │┌┴─ Escherichia coli (213-1015/1015) B354 (2)  
                                                                   └┤  ┌─ Escherichia coli (213-1015/1015) MS 145-7 (3)  
                                                                    │ ┌┴─ fig|1040638.4.peg.4218 O104:H4 (213-1015/1015) str. LB226692 (3)  
                                                                    └┬┴─ Escherichia coli (213-1015/1015) MS 119-7 (1)  
                                                                     └┬─ Escherichia coli (213-1015/1015) B088 (1)  
                                                                      └┬─ Escherichia coli (213-1015/1015) B185   
                                                                       └┬─ Escherichia coli E110019 (11)  
                                                                        └┬─ Escherichia coli B7A (2)  
                                                                         └─ Escherichia coli (213-1015/1015) E24377A (2)  
  
Formate dehydrogenase O alpha subunit (EC 1.2.1.2) @ selenocysteine-containing (22)
Formate dehydrogenase N alpha subunit (EC 1.2.1.2) @ selenocysteine-containing (18)
Others (13)