┌─ Escherichia coli (176-307/307) IAI39 (2)  
                                                                     ┌┴─ fig|1040638.4.peg.2589 O104:H4 str. LB226692   
                                                                    ┌┴─ Escherichia coli (176-307/307) TA280   
                                                                   ┌┴─ Escherichia coli (176-307/307) K12 (60)  
                                                                  ┌┴─ Escherichia coli (176-307/307) MS 115-1   
                                                                 ┌┴─ Escherichia coli (176-307/307) O157:H7 EDL933 (1)  
                                                                ┌┴─ Escherichia coli (176-307/307) MS 69-1 (57)  
                                                               ┌┴─ Escherichia coli (165-296/296) O127:H6 str. E2348/69 (1)  
┌──────────────────────────────────────────────────────────────┴─ Escherichia coli (176-307/307) 536 (4)  
│                                                                  ┌─ Escherichia coli (182-308/314) B7A (4)  
│                                                                 ┌┴─ Escherichia coli (183-309/315) M718   
┤                                                                ┌┴─ Escherichia coli (190-316/322) 042 (22)  
│                                                               ┌┴─ Escherichia coli (190-316/322) O157:H7 EDL933 (25)  
│                                                              ┌┴─ Escherichia coli (183-309/315) 53638 (3)  
│                                                              │  ┌─ fig|6666666.5357.peg.3909 TY-2482 (190-315/321) strain   
└──────────────────────────────────────────────────────────────┤ ┌┴─ Escherichia coli (183-309/315) SE11 (8)  
                                                               │┌┴─ Escherichia coli (183-309/315) K12 (11)  
                                                               └┤┌─ Escherichia coli (107-233/239) ATCC 8739 (7)  
                                                                └┤┌─ Escherichia coli (183-309/315) FVEC1302 (3)  
                                                                 └┤  ┌─ Escherichia coli (183-309/315) TA143   
                                                                  │ ┌┴─ Escherichia coli (183-309/315) MS 21-1   
                                                                  └┬┴─ Escherichia coli (183-309/315) MS 69-1   
                                                                   └┬─ Escherichia coli (183-309/315) SMS-3-5   
                                                                    └┬─ Escherichia coli (183-309/315) B354   
                                                                     └─ Escherichia coli (183-309/315) IAI39 (1)  
  
Hydrogenase-4 component C (EC 1.-.-.-) (15)
Formate hydrogenlyase subunit 4 (8)
Others (2)