┌─ Escherichia coli (9-160/205) 1044A (24)  
                                                       ┌┴─ Escherichia coli (9-160/205) M718   
                                                      ┌┴─ Escherichia coli (9-160/205) 2362-75 (2)  
                                                     ┌┴─ Escherichia coli (9-160/205) K12 (83)  
                                                    ┌┴─ Escherichia coli (9-160/205) 042 (1)  
                                                   ┌┴─ Escherichia coli (9-160/205) TA206   
                                                  ┌┴┬─ Escherichia coli (9-160/205) IAI39 (1)  
                                                 ┌┤ └─ Escherichia coli (9-160/205) SMS-3-5   
                                                ┌┤└─ Escherichia coli (9-160/205) M605   
                                               ┌┤└─ Escherichia coli (9-160/205) 536 (10)  
                                               │└─ Escherichia coli (9-160/205) WV_060327   
                                       ┌───────┤┌─ Escherichia coli (9-160/205) E24377A (1)  
                                       │       └┤┌─ Escherichia coli (4-156/201) KO11   
                                       │        └┤ ┌─ Escherichia coli (9-160/205) 53638 (1)  
                                       │         └┬┴─ Escherichia coli (9-160/205) TA206   
                                 ┌─────┤          └┬─ Escherichia coli (9-160/205) SMS-3-5   
                                 │     │           └┬─ Escherichia coli (9-160/205) K12 (113)  
                                 │     │            └┬─ Escherichia coli (9-160/205) 042 (1)  
                  ┌──────────────┤     │             └─ Escherichia coli (9-160/205) MS 145-7   
                  │              │     └──────────── Escherichia coli (8-159/208) MS 146-1   
                  │              └────────┬─ Escherichia coli (19-171/209) O157:H7 EDL933   
                  │                       └─ Escherichia coli (19-171/209) 1044A (24)  
                  │                                 ┌─ Escherichia coli (4-171/271) MS 84-1 (1)  
            ┌─────┤                                ┌┴─ Escherichia coli (33-200/300) 2362-75 (2)  
            │     │                               ┌┴─ Escherichia coli (33-200/300) K12 (116)  
            │     │                              ┌┴─ Escherichia coli (33-200/300) M605 (1)  
            │     │                            ┌─┴─ Escherichia coli (31-198/298) MS 116-1 (4)  
            │     └────────────────────────────┤   ┌─ Escherichia coli (33-200/294) 042 (5)  
┌───────────┤                                  └──┬┴─ Escherichia coli (31-198/292) IAI1 (1)  
│           │                                     └┬─ Escherichia coli (33-200/294) 1125A (25)  
│           │                                      └┬─ Escherichia coli (33-200/294) K12 (91)  
│           │                                       └┬─ Escherichia coli (31-198/292) 2362-75   
│           │                                        └─ Escherichia coli (33-200/294) MS 115-1   
│           └───────────────────── Escherichia coli (17-167/192) SE11   
│                                                 ┌─ Escherichia coli (5-145/147) O127:H6 str. E2348/69 (1)  
│                                                ┌┴─ Escherichia coli (58-206/208) FVEC1302 (4)  
│                                               ┌┴─ Escherichia coli (58-206/208) MS 145-7   
│                                              ┌┴─ Escherichia coli (58-206/208) K12 (106)  
│                                             ┌┴┬─ Escherichia coli (58-206/208) SE15   
│                                             │ └┬─ Escherichia coli (58-206/208) IAI39 (1)  
│        ┌────────────────────────────────────┤  └─ Escherichia coli (58-206/208) APEC O1 (7)  
│        │                                    └┬─ Escherichia coli (58-206/208) E24377A (1)  
│        │                                     └─ Escherichia coli (58-206/208) MS 182-1 (1)  
┤        │                                  ┌─ Escherichia coli WV_060327   
│        │                                 ┌┴─ Escherichia coli (2-163/163) 042 (1)  
│        │                                ┌┴┬─ Escherichia coli B185 (2)  
│        │                               ┌┤ └─ Escherichia coli (2-163/163) E2348/69 (2)  
│        │                               │└┬─ Escherichia coli M605   
│        │                              ┌┤ └┬─ Escherichia coli (2-163/163) CFT073 (13)  
│        │                              ││  └─ Escherichia coli 536 (5)  
│        │                             ┌┤└┬─ Escherichia coli E110019 (1)  
│        │                             ││ └─ Escherichia coli 101-1 (11)  
│        │                             │└┬─ Escherichia coli K12 (42)  
│        │                            ┌┤ └┬─ Escherichia coli (2-163/163) str. K-12 substr. DH10B (2)  
│        │                            ││  └─ Escherichia coli B7A (2)  
│        │                           ┌┤└┬─ Escherichia coli MS 69-1   
│        │                           ││ └─ Escherichia coli TA280   
│        │       ┌───────────────────┤└─ Escherichia coli FVEC1302 (4)  
└────────┤       │                   └┬─ Escherichia coli IAI39 (1)  
         │       │                    └┬─ Escherichia coli TA143   
         │       │                     └┬─ Escherichia coli ED1a (1)  
         │       │                      └─ Escherichia coli O83:H1 str. NRG 857C   
         │       │                            ┌─ Escherichia coli (1-151/157) 536 (4)  
         │       │                           ┌┴─ Escherichia coli (1-151/157) F11 (2)  
         │       │                          ┌┴─ Escherichia coli (1-151/157) APEC O1 (6)  
         │       │                         ┌┴┬─ Escherichia coli MS 21-1   
         │       │                        ┌┤ └─ Escherichia coli IAI39 (1)  
         │       │                        │└┬─ Escherichia coli B354 (1)  
         │       │                       ┌┤ └┬─ Escherichia coli (1-151/157) MS 69-1   
         │       │                       ││  └─ Escherichia coli FVEC1302 (3)  
         │       │                       │└┬─ Escherichia coli (3-159/159) SMS-3-5   
         │       │                      ┌┤ └┬─ Escherichia coli (3-159/159) E2348/69 (2)  
         │       │                      ││  └┬─ Escherichia coli (3-159/159) 042 (14)  
         │       │                     ┌┤│   └─ Escherichia coli NC101   
         │       │                     ││└─ Escherichia coli TA143   
         │       │                    ┌┤└─ Escherichia coli TA271   
         └───────┤                    │└─ Escherichia coli EC4100B   
                 │                   ┌┤┌─ Escherichia coli (3-159/159) B088 (39)  
                 │                   │└┤ ┌─ Escherichia coli B171 (10)  
                 │                   │ └┬┴─ Escherichia coli E24377A (6)  
                 │                   │  └┬─ Escherichia coli M718   
                 │          ┌────────┤   └┬─ Escherichia coli 53638 (1)  
                 │          │        │    └┬─ Escherichia coli (3-159/159) str. K-12 substr. DH10B   
                 │          │        │     └─ Escherichia coli (1-151/157) K12 (19)  
                 │       ┌──┤        └─ Escherichia coli (1-151/157) 1827-70 (2)  
                 │       │  │          ┌─ Escherichia coli (1-167/175) 83972 (1)  
                 │       │  └──────────┤  ┌─ Escherichia coli (1-167/175) IAI39 (1)  
                 │       │             │ ┌┴─ Escherichia coli (1-167/175) O55:H7 str. CB9615   
                 │       │             └┬┴─ Escherichia coli (1-167/175) K12 (119)  
                 │       │              └┬─ Escherichia coli (1-167/175) MS 78-1   
                 │       │               └┬─ Escherichia coli (1-167/175) O157:H7 EDL933 (1)  
                 │       │                └┬─ Escherichia coli (2-168/176) 042 (1)  
                 │       │                 └─ Escherichia coli (1-167/175) M718 (2)  
                 │       │                       ┌─ Escherichia coli (1-165/659) 1044A (9)  
                 │       │                      ┌┴─ Escherichia coli (1-165/659) K12 (32)  
                 │       │                     ┌┴┬─ Escherichia coli (1-165/659) MS 21-1   
                 └───────┤                    ┌┤ └─ Escherichia coli (1-160/654) TA143   
                         │                   ┌┤└─ Escherichia coli (1-166/659) APEC O1 (1)  
                         │                   │└┬─ Escherichia coli (1-165/659) CFT073   
                         │     ┌─────────────┤ └─ Escherichia coli (1-166/659) E2348/69 (2)  
                         │     │             └─ Escherichia coli (1-166/659) NC101   
                         │     │                             ┌─ Escherichia coli (6-162/644) ED1a (1)  
                         │     │                            ┌┴─ Escherichia coli (6-162/644) M605 (2)  
                         │     │                           ┌┴─ Escherichia coli (6-162/644) 536 (4)  
                         │     │                          ┌┴─ Escherichia coli (6-162/644) H299 (20)  
                         │     │                         ┌┴─ Escherichia coli (6-162/644) B185   
                         │     │                        ┌┴─ Escherichia coli (6-161/644) ATCC 8739 (3)  
                         │     │                       ┌┴─ Escherichia coli (6-162/644) ETEC H10407 (1)  
                         │     │                      ┌┴─ Escherichia coli (6-162/644) K12 (52)  
                         └─────┤                     ┌┴┬─ Escherichia coli (6-162/644) 1044A (29)  
                               │                     │ └┬─ Escherichia coli (6-162/644) TA280   
                               │                     │  └┬─ Escherichia coli (6-162/644) TA143 (1)  
                               │                    ┌┤   └┬─ Escherichia coli (6-160/644) 042 (1)  
                               │                    ││    └─ Escherichia coli (6-162/644) MS 69-1 (10)  
                               │     ┌──────────────┤└─ Escherichia coli (6-162/644) B171 (20)  
                               │     │              └─ Escherichia coli (3-158/641) B354   
                               │     │                              ┌─ fig|1040638.4.peg.2592 O104:H4 (1-179/203) str. LB226692 (52)  
                               │     │                             ┌┴─ Escherichia coli (1-179/203) E24377A (1)  
                               │     │                            ┌┴─ Escherichia coli (1-179/203) 101-1 (5)  
                               │     │                           ┌┴┬─ Escherichia coli (1-179/203) 53638 (1)  
                               └─────┤                          ┌┤ └─ Escherichia coli (1-179/203) K12 (50)  
                                     │                         ┌┤└─ Escherichia coli (1-179/203) APEC O1 (6)  
                                     │                         │└┬─ Escherichia coli (1-179/203) M605 (3)  
                                     │              ┌──────────┤ └┬─ Escherichia coli (1-179/203) SE15   
                                     │              │          │  └─ Escherichia coli (1-179/203) IAI39 (1)  
                                     │              │          └─ Escherichia coli (1-179/203) MS 21-1   
                                     │              │                ┌─ Escherichia coli (1-198/205) B354   
                                     └──────────────┤               ┌┴─ Escherichia coli (1-198/205) TA143   
                                                    │              ┌┴─ Escherichia coli (1-198/205) TA280   
                                                    │              │  ┌─ Escherichia coli (1-198/205) MS 21-1   
                                                    │              │ ┌┴─ Escherichia coli (1-198/205) IAI39 (1)  
                                                    └──────────────┤┌┴─ Escherichia coli (14-211/218) 042 (1)  
                                                                   ││      ┌─ Escherichia coli (14-211/218) ATCC 8739 (3)  
                                                                   ││     ┌┴─ Escherichia coli (1-198/205) 101-1 (4)  
                                                                   ││    ┌┴─ Escherichia coli (14-210/213) 53638 (1)  
                                                                   └┤   ┌┴─ Escherichia coli (14-211/218) B7A (18)  
                                                                    │  ┌┴─ Escherichia coli (14-211/218) E24377A (1)  
                                                                    │ ┌┴─ Escherichia coli (1-198/205) MS 182-1   
                                                                    │┌┴─ Escherichia coli (14-211/218) B171 (12)  
                                                                    └┤┌─ Escherichia coli (1-198/205) FVEC1302 (3)  
                                                                     └┤ ┌─ Escherichia coli (1-198/205) M718 (1)  
                                                                      └┬┴─ Escherichia coli (1-198/205) MS 69-1   
                                                                       └┬─ Escherichia coli (14-201/218) O157:H7 EDL933 (24)  
                                                                        └┬─ Escherichia coli (1-198/205) B185   
                                                                         └┬─ Escherichia coli (1-197/200) MS 175-1   
                                                                          └─ Escherichia coli (1-198/205) K12 (10)  
  
Anaerobic dimethyl sulfoxide reductase chain B (EC 1.8.99.-) (22)
Electron transport protein HydN (22)
Pyridine nucleotide-disulphide oxidoreductase family protein (21)
Hydrogenase-4 component A (EC 1.-.-.-) (20)
Predicted oxidoreductase, Fe-S subunit (12)
putative oxidoreductase, Fe-S subunit (9)
Formate hydrogenlyase subunit 2 (9)
Formate dehydrogenase O beta subunit (EC 1.2.1.2) (8)
Putative electron transport protein ygfS (6)
Putative electron transport protein YsaA (6)
Formate dehydrogenase N beta subunit (EC 1.2.1.2) (3)
Putative electron transport protein ysaA (2)
Thiosulfate reductase electron transport protein phsB (1)
Protein aegA (1)
COG1142: Fe-S-cluster-containing hydrogenase components 2 (1)
COG0493: NADPH-dependent glutamate synthase beta chain and related oxidoreductases (1)
putative electron transport protein YsaA (1)
Others (1)