┌─ Escherichia coli (10-160/205) 042 (1)  
                                                 ┌┴─ Escherichia coli (10-160/205) M605   
                                                ┌┴┬─ Escherichia coli (10-160/205) SMS-3-5   
                                                │ └─ Escherichia coli (10-160/205) TA206   
                                               ┌┤ ┌─ Escherichia coli (10-160/205) 2362-75 (2)  
                                               │└┬┴─ Escherichia coli (10-160/205) IAI39 (1)  
                                              ┌┤ └┬─ Escherichia coli (10-160/205) M718   
                                              ││  └─ Escherichia coli (10-160/205) K12 (83)  
                                             ┌┤└─ Escherichia coli (10-160/205) 1044A (24)  
                                            ┌┤└─ Escherichia coli (10-160/205) 536 (10)  
                                            │└─ Escherichia coli (10-160/205) WV_060327   
                                    ┌───────┤┌─ Escherichia coli (10-162/205) MS 145-7   
                                    │       └┤  ┌─ Escherichia coli (10-162/205) 042 (1)  
                                    │        │ ┌┴─ Escherichia coli (10-162/205) SMS-3-5   
                                    │        └┬┴─ Escherichia coli (10-162/205) 53638 (1)  
                                ┌───┤         └┬─ Escherichia coli (10-162/205) K12 (114)  
                                │   │          └┬─ Escherichia coli (10-162/205) TA206   
                 ┌──────────────┤   │           └─ Escherichia coli (10-162/205) E24377A (1)  
                 │              │   └───────────── Escherichia coli (9-150/208) MS 146-1   
                 │              └──────────┬─ Escherichia coli (20-171/209) O157:H7 EDL933   
                 │                         └─ Escherichia coli (20-171/209) 1044A (24)  
                 │                                      ┌─ Escherichia coli (40-202/328) HS (1)  
                 │                                     ┌┴─ Escherichia coli (40-202/328) 83972 (1)  
                 │                                    ┌┴─ Escherichia coli (40-202/328) K12 (121)  
           ┌─────┤                                   ┌┴┬─ Escherichia coli (40-202/328) UM146   
           │     │                                  ┌┤ └─ Escherichia coli (40-202/328) WV_060327   
           │     │                                 ┌┤└─ Escherichia coli (40-202/328) O157:H7 EDL933 (1)  
           │     │    ┌────────────────────────────┤└─ Escherichia coli (40-202/328) 2362-75   
           │     │    │                            └─ Escherichia coli (40-202/328) ED1a (1)  
           │     │    │                                       ┌─ Escherichia coli (33-185/300) MS 124-1 (1)  
           │     └────┤                                      ┌┴─ Escherichia coli (33-185/300) 2362-75 (2)  
           │          │                                     ┌┴┬─ Escherichia coli (33-185/300) M605 (1)  
           │          │                                    ┌┤ └─ Escherichia coli (33-185/300) K12 (116)  
           │          └────────────────────────────────────┤└─ Escherichia coli (31-183/298) MS 116-1 (4)  
           │                                               │  ┌─ Escherichia coli (33-185/294) 042 (5)  
           │                                               └─┬┴─ Escherichia coli (31-183/292) IAI1 (1)  
┌──────────┤                                                 └┬─ Escherichia coli (31-183/292) 1044A (25)  
│          │                                                  └┬─ Escherichia coli (33-185/294) K12 (91)  
│          │                                                   └┬─ Escherichia coli (31-183/292) 2362-75   
│          │                                                    └─ Escherichia coli (33-185/294) MS 115-1   
│          │          ┌─────── Escherichia coli (10-149/192) SE11   
│          │          │                            ┌─ Escherichia coli (39-197/223) 042 (1)  
│          │          │                           ┌┴─ Escherichia coli (39-197/223) 101-1   
│          │          │                          ┌┴┬─ Escherichia coli (39-197/223) TA280   
│          │          │                         ┌┤ └─ Escherichia coli (39-197/223) K12 (84)  
│          │          │                         │└─ Escherichia coli (39-197/223) MS 182-1 (6)  
│          │          │                        ┌┤ ┌─ Escherichia coli (39-197/223) M605   
│          └──────────┤                        │└┬┴─ Escherichia coli (39-197/223) SE15   
│                     │                       ┌┤ └┬─ Escherichia coli (39-197/223) 2362-75 (26)  
│                     │                       ││  └─ Escherichia coli (39-177/223) MS 21-1   
│                     │      ┌────────────────┤└┬─ Escherichia coli (39-177/223) SMS-3-5   
│                     │      │                │ └─ Escherichia coli (39-177/223) IAI39 (1)  
│                     │      │                └─ Escherichia coli (39-197/223) H299   
│                     │      │               ┌─ Escherichia coli (56-193/239) F11 (4)  
│                     └──────┤              ┌┴─ Escherichia coli (1-138/184) SE15   
│                            │             ┌┴─ Escherichia coli (56-193/239) CFT073 (9)  
│                            │            ┌┴─ Escherichia coli (1-138/184) M605   
│                            │           ┌┴─ Escherichia coli (1-138/184) WV_060327   
│                            └───────────┤┌─ Escherichia coli (1-138/184) MS 124-1 (1)  
│                                        ││  ┌─ Escherichia coli (56-193/239) O157:H7 (12)  
│                                        └┤ ┌┴─ Escherichia coli (56-193/239) O157:H7 str. EC4486 (12)  
│                                         │┌┴─ Escherichia coli (56-193/239) APEC O1 (12)  
│                                         └┤ ┌─ Escherichia coli (1-138/184) B185   
┤                                          └┬┴─ Escherichia coli (1-138/184) O111:H- str. 11128   
│                                           └┬─ Escherichia coli (56-193/239) K12 (58)  
│                                            └┬─ Escherichia coli (56-193/239) HS (1)  
│                                             └─ Escherichia coli (56-193/239) 042 (8)  
│                                                 ┌─ Escherichia coli (61-202/208) SE15   
│                                                ┌┴─ Escherichia coli (61-202/208) FVEC1302 (4)  
│                                               ┌┴─ Escherichia coli (61-202/208) K12 (106)  
│                                              ┌┴─ Escherichia coli (61-199/208) MS 145-7   
│                                             ┌┴─ Escherichia coli (6-141/147) O127:H6 str. E2348/69 (1)  
│                                            ┌┴┬─ Escherichia coli (61-202/208) E24377A (1)  
│                                           ┌┤ └─ Escherichia coli (61-202/208) MS 182-1 (1)  
│           ┌───────────────────────────────┤└─ Escherichia coli (61-202/208) IAI39 (1)  
│           │                               └─ Escherichia coli (61-202/208) APEC O1 (7)  
│           │                                 ┌─ Escherichia coli MS 21-1   
│           │                                ┌┴─ Escherichia coli IAI39 (1)  
│           │                               ┌┴─ Escherichia coli 536 (4)  
│           │                              ┌┴─ Escherichia coli APEC O1 (6)  
│           │                             ┌┴─ Escherichia coli F11 (2)  
│           │                            ┌┴┬─ Escherichia coli FVEC1302 (3)  
│           │                            │ └┬─ Escherichia coli MS 69-1   
│           │                           ┌┤  └─ Escherichia coli B354 (1)  
│           │                           │└┬─ Escherichia coli (3-159/159) E2348/69 (2)  
│           │                           │ └┬─ Escherichia coli NC101   
│           │                          ┌┤  └┬─ Escherichia coli (3-159/159) 042 (14)  
│           │                          ││   └─ Escherichia coli (3-159/159) SMS-3-5   
│           │                         ┌┤└─ Escherichia coli TA143   
│           │                        ┌┤└─ Escherichia coli TA271   
│           │                        │└─ Escherichia coli EC4100B   
└───────────┤                       ┌┤ ┌─ Escherichia coli B171 (10)  
            │                       │└┬┴─ Escherichia coli M718   
            │                       │ └┬─ Escherichia coli (3-159/159) B088 (39)  
            │                       │  └┬─ Escherichia coli E24377A (6)  
            │                ┌──────┤   └┬─ Escherichia coli 53638 (1)  
            │                │      │    └┬─ Escherichia coli (3-157/157) MS 187-1   
            │                │      │     └─ Escherichia coli K12 (19)  
            │           ┌────┤      └─ Escherichia coli 1827-70 (2)  
            │           │    │        ┌─ Escherichia coli (1-162/175) 83972 (1)  
            │           │    └────────┤  ┌─ Escherichia coli (1-162/175) M718 (2)  
            │           │             │ ┌┴─ Escherichia coli (1-162/175) IAI39 (1)  
            │           │             └┬┴─ Escherichia coli (1-162/175) O157:H7 EDL933 (1)  
            │           │              └┬─ Escherichia coli (1-162/175) MS 78-1   
            │           │               └┬─ Escherichia coli (1-162/175) K12 (119)  
            │           │                └┬─ Escherichia coli (1-162/175) O55:H7 str. CB9615   
            │           │                 └─ Escherichia coli (2-163/176) 042 (1)  
            │           │                    ┌─ Escherichia coli (1-143/659) K12 (44)  
            │           │                   ┌┴─ Escherichia coli (1-138/654) TA143   
            └───────────┤                  ┌┴┬─ Escherichia coli (1-143/659) NC101   
                        │    ┌─────────────┤ └─ Escherichia coli (1-143/659) MS 21-1   
                        │    │             └─ Escherichia coli (1-143/659) E2348/69 (3)  
                        │    │                          ┌─ Escherichia coli (6-155/644) ED1a (1)  
                        │    │                         ┌┴─ Escherichia coli (3-152/641) TA206 (2)  
                        │    │                        ┌┴─ Escherichia coli (6-155/644) 536 (4)  
                        │    │                       ┌┴─ Escherichia coli (6-155/644) H299 (20)  
                        │    │                      ┌┴─ Escherichia coli (6-155/644) B185   
                        │    │                     ┌┴─ Escherichia coli (6-155/644) K12 (56)  
                        │    │                    ┌┴┬─ Escherichia coli (6-156/644) ETEC H10407 (1)  
                        │    │                    │ └┬─ Escherichia coli (6-155/644) 1044A (29)  
                        │    │                    │  └┬─ Escherichia coli (6-155/644) FVEC1302 (12)  
                        └────┤                   ┌┤   └┬─ Escherichia coli (6-155/644) TA280   
                             │                   ││    └─ Escherichia coli (6-155/644) TA143 (1)  
                             │   ┌───────────────┤└─ Escherichia coli (6-155/644) B171 (20)  
                             │   │               └─ Escherichia coli (3-152/641) B354   
                             │   │                               ┌─ Escherichia coli (1-154/162) O83:H1 str. NRG 857C   
                             │   │                              ┌┴─ Escherichia coli (1-154/162) ED1a (1)  
                             │   │                             ┌┴─ Escherichia coli TA143   
                             │   │                            ┌┴─ Escherichia coli (1-150/162) IAI39 (1)  
                             │   │                           ┌┴─ Escherichia coli (1-150/162) FVEC1302 (4)  
                             │   │                          ┌┴─ Escherichia coli (1-150/162) MS 69-1 (1)  
                             │   │                          │  ┌─ Escherichia coli (1-150/162) 536 (20)  
                             │   │                         ┌┤ ┌┴─ Escherichia coli (1-150/162) E110019 (1)  
                             └───┤                         │└┬┴─ Escherichia coli (1-150/162) 101-1 (11)  
                                 │                         │ └┬─ Escherichia coli (2-151/163) 042 (2)  
                                 │                        ┌┤  └┬─ Escherichia coli (1-150/162) B185 (2)  
                                 │                        ││   └─ Escherichia coli (2-151/163) E2348/69 (2)  
                                 │   ┌────────────────────┤└─ Escherichia coli (1-150/162) K12 (45)  
                                 │   │                    └─ Escherichia coli (1-150/162) B7A (2)  
                                 │   │                             ┌─ fig|1040638.4.peg.2592 O104:H4 (1-180/203) str. LB226692 (52)  
                                 │   │                            ┌┴─ Escherichia coli (1-180/203) E24377A (1)  
                                 │   │                           ┌┴─ Escherichia coli (1-180/203) 53638 (1)  
                                 │   │                          ┌┴┬─ Escherichia coli (1-180/203) 101-1 (5)  
                                 └───┤                         ┌┤ └─ Escherichia coli (1-180/203) K12 (50)  
                                     │                        ┌┤└─ Escherichia coli (1-180/203) SE15   
                                     │                        │└┬─ Escherichia coli (1-180/203) IAI39 (1)  
                                     │             ┌──────────┤ └┬─ Escherichia coli (1-180/203) APEC O1 (6)  
                                     │             │          │  └─ Escherichia coli (1-180/203) M605 (3)  
                                     │             │          └─ Escherichia coli (1-180/203) MS 21-1   
                                     └─────────────┤                ┌─ Escherichia coli (1-183/205) B354   
                                                   │               ┌┴─ Escherichia coli (1-183/205) TA143   
                                                   │              ┌┴─ Escherichia coli (1-183/205) TA280   
                                                   │              │ ┌─ Escherichia coli (14-196/218) 042 (1)  
                                                   └──────────────┤┌┴─ Escherichia coli (1-183/205) MS 21-1 (2)  
                                                                  ││     ┌─ Escherichia coli (14-196/218) ATCC 8739 (5)  
                                                                  ││    ┌┴─ Escherichia coli (1-183/205) 101-1 (4)  
                                                                  └┤   ┌┴─ Escherichia coli (14-196/218) B7A (18)  
                                                                   │  ┌┴─ Escherichia coli (14-196/218) E24377A (1)  
                                                                   │ ┌┴─ Escherichia coli (1-183/205) MS 182-1   
                                                                   │┌┴─ Escherichia coli (14-196/218) B171 (12)  
                                                                   └┤ ┌─ Escherichia coli (1-183/205) B185   
                                                                    └┬┴─ Escherichia coli (1-183/205) K12 (11)  
                                                                     └┬─ Escherichia coli (1-185/205) FVEC1302 (3)  
                                                                      └┬─ Escherichia coli (1-183/205) M718 (1)  
                                                                       └┬─ Escherichia coli (1-183/205) MS 69-1   
                                                                        └─ Escherichia coli (14-196/218) O157:H7 EDL933 (24)  
  
Electron transport protein HydN (22)
Anaerobic dimethyl sulfoxide reductase chain B (EC 1.8.99.-) (21)
Hydrogenase-4 component A (EC 1.-.-.-) (17)
Pyridine nucleotide-disulphide oxidoreductase family protein (17)
NrfC-like protein (14)
NrfC protein (12)
putative oxidoreductase, Fe-S subunit (9)
Predicted oxidoreductase, Fe-S subunit (9)
Formate hydrogenlyase subunit 2 (9)
Hydrogenase-2 operon protein hybA precursor (8)
Formate dehydrogenase O beta subunit (EC 1.2.1.2) (8)
Putative electron transport protein YsaA (6)
Putative electron transport protein ygfS (5)
Formate dehydrogenase N beta subunit (EC 1.2.1.2) (3)
Putative electron transport protein ysaA (2)
Thiosulfate reductase electron transport protein phsB (1)
COG0493: NADPH-dependent glutamate synthase beta chain and related oxidoreductases (1)
putative electron transport protein YsaA (1)
Others (1)