┌─ fig|1040638.4.peg.2587 O104:H4 str. LB226692 (17)  
                                                                         ┌┴─ Escherichia coli IAI1 (2)  
                                                                        ┌┴─ Escherichia coli E110019 (1)  
                                                                       ┌┴─ Escherichia coli IAI39 (1)  
                                                                      ┌┴─ Escherichia coli SE11   
                                                                     ┌┴─ Escherichia coli O157:H7 EDL933   
                                                                    ┌┴┬─ Escherichia coli B354   
                                                                    │ └┬─ Escherichia coli K12 (12)  
                                                                   ┌┤  └─ Escherichia coli 042 (6)  
                                                                  ┌┤└─ Escherichia coli 101-1 (54)  
                                                                 ┌┤└─ Escherichia coli SMS-3-5   
                                                                ┌┤└─ Escherichia coli 2362-75 (8)  
┌───────────────────────────────────────────────────────────────┤└─ Escherichia coli E2348/69 (1)  
│                                                               └┬─ Escherichia coli S88   
┤                                                                └─ Escherichia coli 83972 (16)  
│                                                            ┌─ Escherichia coli (1-173/181) MS 21-1   
└────────────────────────────────────────────────────────────┤┌─ Escherichia coli (1-173/181) SMS-3-5   
                                                             ││┌─ Escherichia coli (1-167/181) 042 (2)  
                                                             └┤│      ┌─ Escherichia coli (1-170/181) 1044A (25)  
                                                              ││     ┌┴─ Escherichia coli (1-170/181) B185   
                                                              ││    ┌┴─ Escherichia coli (1-173/181) IAI39 (1)  
                                                              └┤   ┌┴─ fig|1040638.4.peg.2906 O104:H4 (1-168/179) str. LB226692 (13)  
                                                               │  ┌┴─ Escherichia coli (1-170/181) 1827-70 (6)  
                                                               │ ┌┴─ Escherichia coli (1-173/181) MS 69-1 (1)  
                                                               │┌┴─ Escherichia coli (1-173/181) FVEC1302 (3)  
                                                               └┤┌─ Escherichia coli (1-170/181) TA143   
                                                                └┤┌─ Escherichia coli (1-170/181) K12 (10)  
                                                                 └┤┌─ Escherichia coli (1-170/181) MS 115-1   
                                                                  └┤┌─ Escherichia coli (1-170/181) H591 (4)  
                                                                   └┤ ┌─ Escherichia coli (1-170/181) MS 107-1   
                                                                    └┬┴─ Escherichia coli (1-170/181) O111:H- str. 11128 (1)  
                                                                     └┬─ Escherichia coli (1-168/179) E110019 (1)  
                                                                      └─ Escherichia coli (1-168/179) 101-1 (9)  
  
Hydrogenase-4 component H (EC 1.-.-.-) (17)
Formate hydrogenlyase complex 3 iron-sulfur protein; Formate hydrogenlyase subunit 6; Ni,Fe-hydrogenase III medium subunit (14)
Others (2)