┌─ Escherichia coli (156-495/672) 1044A   
                                                                             ├─ Escherichia coli (156-495/672) 1212A   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 str. EC4115   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 str. EC4486   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 str. EC508   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 str. FRIK2000   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 str. Sakai   
                                                                             ├─ Escherichia coli (156-495/672) O157:H7 EDL933   
                                                                             ├─ Escherichia coli (156-495/672) B str. REL606   
                                                                             ├─ Escherichia coli (DE3 156-495/672) BL21(DE3)   
                                                                             ├─ Escherichia coli (156-495/672) M718   
                                                                            ┌┼─ Escherichia coli (156-495/672) MS 187-1   
                                                                            │├─ Escherichia coli (156-495/672) 101-1   
                                                                            │├─ Escherichia coli (156-495/672) B185   
                                                                            │├─ Escherichia coli (156-495/672) BL21   
                                                                            │├─ Escherichia coli (156-495/672) O157:H7 EDL933   
                                                                            │├─ Escherichia coli (156-495/672) O157:H7 str. TW14588   
                                                                            │├─ Escherichia coli (156-495/672) O157:H7 str. FRIK966   
                                                                           ┌┤├─ Escherichia coli (156-495/672) O157:H7 str. EC869   
                                                                           ││├─ Escherichia coli (156-495/672) O157:H7 str. EC4501   
                                                                           ││├─ Escherichia coli (156-495/672) O157:H7 str. EC4401   
                                                                           ││├─ Escherichia coli (156-495/672) O157:H7 str. EC4024   
                                                                          ┌┤│├─ Escherichia coli (156-495/672) 536A   
                                                                          │││└─ Escherichia coli (156-495/672) 1125A   
                                                                          ││└┬─ Escherichia coli (156-495/672) ATCC 8739   
                                                                          ││ └─ Escherichia coli (156-495/672) ATCC 8739   
                                                                         ┌┤└─ Escherichia coli (156-495/672) O55:H7 str. CB9615   
                                                                         ││┌─ Escherichia coli (156-495/672) O157:H7 str. EC4045   
                                                                         ││├─ Escherichia coli (156-495/672) O157:H7 str. EC4113   
                                                                         ││├─ Escherichia coli (156-495/672) O157:H7 str. EC4206   
                                                                        ┌┤└┼─ Escherichia coli (156-495/672) O157:H7 str. TW14359   
                                                                        ││ ├─ Escherichia coli (156-495/672) O157:H7 str. EC4196   
                                                                        ││ ├─ Escherichia coli (156-495/672) O157:H7 str. EC4076   
                                                                       ┌┤│ └─ Escherichia coli (156-495/672) O157:H7 str. EC4042   
                                                                       ││└─ Escherichia coli (156-495/672) B088   
                                                                       │└┬─ Escherichia coli (156-495/672) MS 115-1   
                                                                       │ └─ Escherichia coli (156-495/672) TA280   
                                                                       │┌─ Escherichia coli (156-495/672) MS 119-7   
                                                                       │├─ Escherichia coli (156-495/672) KO11   
                                                                       │├─ fig|6666666.5357.peg.3908 TY-2482 (156-495/672) strain   
                                                                       │├─ Escherichia coli (156-495/672) 55989   
                                                                       │├─ Escherichia coli (156-495/672) H736   
                                                                       │├─ Escherichia coli (156-495/672) MS 146-1   
                                                                      ┌┤├─ Escherichia coli (156-495/672) E22   
                                                                      ││├─ Escherichia coli (156-495/672) MS 182-1   
                                                                      ││├─ Escherichia coli (156-495/672) O111:H- str. 11128   
                                                                      ││├─ Escherichia coli (156-495/672) W   
                                                                      ││├─ Escherichia coli (156-495/672) IAI1   
                                                                      ││├─ Escherichia coli (156-495/672) BW2952   
                                                                      ││├─ Escherichia coli (156-495/672) K12   
                                                                      ││├─ Escherichia coli (156-495/672) str. K-12 substr. DH10B   
                                                                      ││├─ Escherichia coli (156-495/672) str. K-12 substr. MG1655   
                                                                      ││├─ Escherichia coli (156-495/569) B171   
                                                                      │└┼─ Escherichia coli (156-495/565) O103:H2 str. 12009   
                                                                      │ ├─ Escherichia coli (156-495/569) B171   
                                                                      │ ├─ Escherichia coli (156-495/672) str. K-12 substr. MG1655   
                                                                      │ ├─ Escherichia coli (156-495/672) str. K-12 substr. DH10B   
                                                                      │ ├─ Escherichia coli (156-495/672) W3110   
                                                                     ┌┤ ├─ Escherichia coli (156-495/672) DH1   
                                                                     ││ ├─ Escherichia coli (156-495/672) IAI1   
                                                                     ││ ├─ Escherichia coli (156-495/672) W   
                                                                     ││ ├─ Escherichia coli (156-495/672) O26:H11 str. 11368   
                                                                     ││ ├─ Escherichia coli (156-495/672) MS 78-1   
                                                                     ││ ├─ Escherichia coli (156-495/672) E22   
                                                                     ││ ├─ Escherichia coli (156-495/672) MS 196-1   
                                                                     ││ ├─ Escherichia coli (156-495/672) MS 116-1   
                                                                     ││ ├─ Escherichia coli (156-495/672) SE11   
                                                                    ┌┤│ ├─ Escherichia coli (156-495/672) 55989   
                                                                    │││ ├─ fig|1040638.4.peg.2898 O104:H4 (156-495/672) str. LB226692   
                                                                    │││ ├─ Escherichia coli (156-495/672) TA271   
                                                                    │││ └─ Escherichia coli (156-495/672) H591   
                                                                    │││┌─ Escherichia coli (156-495/672) FVEC1412   
                                                                    ││└┼─ Escherichia coli (156-495/672) UMN026   
                                                                   ┌┤│ ├─ Escherichia coli (156-495/672) MS 198-1   
                                                                   │││ └─ Escherichia coli (156-495/672) FVEC1302   
                                                                   ││└┬─ Escherichia coli (156-495/672) MS 21-1   
                                                                   ││ └─ Escherichia coli (156-495/672) MS 69-1   
                                                                  ┌┤│┌─ Escherichia coli (156-495/672) 042   
                                                                  ││└┼─ Escherichia coli (156-495/672) B354   
                                                                  ││ ├─ Escherichia coli (156-495/672) TA143   
┌─────────────────────────────────────────────────────────────────┤│ └─ Escherichia coli (156-495/672) 042   
│                                                                 │└┬─ Escherichia coli (156-495/672) IAI39   
│                                                                 │ └─ Escherichia coli (156-495/672) IAI39   
│                                                                 └─ Escherichia coli (156-495/672) SMS-3-5   
┤                                                                 ┌─ Escherichia coli (152-479/479) MS 115-1   
│                                                                 │┌─ Escherichia coli (89-416/416) MS 69-1   
│                                                                 ││   ┌─ Escherichia coli (120-446/446) B str. REL606   
│                                                                 ││   ├─ Escherichia coli (123-449/449) BL21   
└─────────────────────────────────────────────────────────────────┤│  ┌┼─ Escherichia coli (34-360/360) OP50   
                                                                  ││  │├─ Escherichia coli (DE3 123-449/449) BL21(DE3)   
                                                                  ││ ┌┤└─ Escherichia coli (123-449/449) 101-1   
                                                                  ││┌┤└─ Escherichia coli (86-412/412) MS 187-1   
                                                                  │││└┬─ Escherichia coli (152-479/479) O55:H7 str. CB9615   
                                                                  └┤│ └┬─ Escherichia coli (152-479/479) 042   
                                                                   ││  └─ Escherichia coli (152-479/479) 042   
                                                                   ││    ┌─ Escherichia coli (152-479/479) O111:H- str. 11128   
                                                                   ││    ├─ Escherichia coli (152-479/479) W   
                                                                   ││   ┌┼─ Escherichia coli (123-450/450) KO11   
                                                                   ││   │├─ Escherichia coli (152-479/479) W   
                                                                   ││  ┌┤└─ Escherichia coli (152-479/479) O26:H11 str. 11368   
                                                                   ││  │└┬─ Escherichia coli (123-450/450) B088   
                                                                   └┤ ┌┤ └┬─ Escherichia coli (123-450/450) E110019   
                                                                    │ ││  └─ Escherichia coli (123-450/450) E110019   
                                                                    │ │└┬─ Escherichia coli (123-450/450) IAI1   
                                                                    │┌┤ └─ Escherichia coli (123-450/450) IAI1   
                                                                    │││┌─ Escherichia coli SE11   
                                                                    ││└┤┌─ fig|6666666.5357.peg.3910 TY-2482 (152-479/479) strain   
                                                                    ││ └┤┌─ Escherichia coli 55989   
                                                                    ││  └┼─ Escherichia coli 55989   
                                                                    ││   └─ fig|1040638.4.peg.2902 O104:H4 str. LB226692   
                                                                    ││┌─ Escherichia coli (152-479/479) TA143   
                                                                    └┤│   ┌─ Escherichia coli (152-479/479) IAI39   
                                                                     ││  ┌┴─ Escherichia coli (152-479/479) IAI39   
                                                                     ││ ┌┴─ Escherichia coli (152-479/479) MS 21-1   
                                                                     ││┌┴─ Escherichia coli (152-479/479) SMS-3-5   
                                                                     │││┌─ Escherichia coli (152-479/479) 1125A   
                                                                     │││├─ Escherichia coli (152-479/479) 536A   
                                                                     │││├─ Escherichia coli (152-479/479) O157:H7 EDL933   
                                                                     └┤│├─ Escherichia coli (152-479/479) O157:H7 str. EC4024   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC4045   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC4113   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC4196   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC4401   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC4501   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. EC869   
                                                                      ││├─ Escherichia coli (152-479/479) O157:H7 str. FRIK966   
                                                                      └┤├─ Escherichia coli (152-479/479) O157:H7 str. TW14359   
                                                                       │├─ Escherichia coli (152-479/479) B185   
                                                                       │├─ Escherichia coli (120-447/447) 1827-70   
                                                                       │├─ Escherichia coli (152-479/479) BW2952   
                                                                       │├─ Escherichia coli (152-479/479) FVEC1302   
                                                                       │├─ Escherichia coli (152-479/479) H736   
                                                                       │├─ Escherichia coli (152-479/479) MS 146-1   
                                                                       │├─ Escherichia coli (152-479/479) TA280   
                                                                       │├─ Escherichia coli (152-479/479) W3110   
                                                                       │├─ Escherichia coli (152-479/479) str. K-12 substr. DH10B   
                                                                       │├─ Escherichia coli (152-479/479) str. K-12 substr. MG1655   
                                                                       │├─ Escherichia coli (152-479/479) M718   
                                                                       └┼─ Escherichia coli (123-450/450) ATCC 8739   
                                                                        ├─ Escherichia coli (84-411/411) MS 198-1   
                                                                        ├─ Escherichia coli (120-447/447) ATCC 8739   
                                                                        ├─ Escherichia coli (152-479/479) str. K-12 substr. MG1655   
                                                                        ├─ Escherichia coli (152-479/479) str. K-12 substr. DH10B   
                                                                        ├─ Escherichia coli (152-479/479) UMN026   
                                                                        ├─ Escherichia coli (89-416/416) MS 196-1   
                                                                        ├─ Escherichia coli (152-479/479) K12   
                                                                        ├─ Escherichia coli (152-479/479) FVEC1412   
                                                                        ├─ Escherichia coli (152-479/479) DH1   
                                                                        ├─ Escherichia coli (152-479/479) B354   
                                                                        ├─ Escherichia coli (94-421/421) MS 116-1   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. TW14588   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. Sakai   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. FRIK2000   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC508   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC4486   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC4206   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC4115   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC4076   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 str. EC4042   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7 EDL933   
                                                                        ├─ Escherichia coli (152-479/479) O157:H7   
                                                                        ├─ Escherichia coli (152-479/479) 1212A   
                                                                        └─ Escherichia coli (152-479/479) 1044A   
  
Hydrogenase-4 component B (EC 1.-.-.-) / Formate hydrogenlyase subunit 3 (83)
Hydrogenase-4 component D (EC 1.-.-.-) (77)
Others (4)