┌─ Escherichia coli (33-199/294) MS 115-1   
                                                      ┌┴─ Escherichia coli (31-197/292) 2362-75   
                                                     ┌┴─ Escherichia coli (33-199/294) K12 (91)  
                                                    ┌┴─ Escherichia coli (31-197/292) 1044A (25)  
                                                  ┌─┴┬─ Escherichia coli (31-197/292) IAI1 (1)  
                       ┌──────────────────────────┤  └─ Escherichia coli (33-199/294) 042 (5)  
                       │                          └─┬─ Escherichia coli (33-199/300) M605 (1)  
                       │                            └┬─ Escherichia coli (33-199/300) MS 146-1 (4)  
┌──────────────────────┤                             └┬─ Escherichia coli (33-199/300) K12 (116)  
│                      │                              └┬─ Escherichia coli (33-199/300) MS 124-1 (1)  
│                      │                               └─ Escherichia coli (33-199/300) 2362-75 (2)  
│                      └──────────────────────────┬─ Escherichia coli (40-220/328) HS (1)  
│                                                 └┬─ Escherichia coli (40-220/328) 2362-75   
│                                                  └┬─ Escherichia coli (40-220/328) O157:H7 EDL933 (1)  
│                                                   └┬─ Escherichia coli (40-220/328) K12 (121)  
│                                                    └┬─ Escherichia coli (40-220/328) ED1a (1)  
│                                                     └┬─ Escherichia coli (40-220/328) 83972 (1)  
│                                                      └─ Escherichia coli (40-220/328) WV_060327   
│                                                      ┌─ Escherichia coli (61-202/208) IAI39 (1)  
│                                                     ┌┴─ Escherichia coli (61-202/208) APEC O1 (7)  
│                                                    ┌┴─ Escherichia coli (61-202/208) SE15   
│                                                   ┌┴─ Escherichia coli (61-202/208) FVEC1302 (4)  
│                                                  ┌┴─ Escherichia coli (5-141/147) O127:H6 str. E2348/69 (1)  
┤                                                 ┌┴─ Escherichia coli (61-202/208) K12 (106)  
│                                                ┌┴─ Escherichia coli (61-202/208) MS 182-1 (1)  
│               ┌────────────────────────────────┴─ Escherichia coli (61-202/208) E24377A (1)  
│               │                                  ┌─ Escherichia coli (1-153/162) B185 (2)  
│               │                                 ┌┴─ Escherichia coli (2-154/163) E2348/69 (2)  
│               │                                ┌┴─ Escherichia coli (2-154/163) 042 (2)  
│               │                               ┌┴─ Escherichia coli (1-153/162) 536 (20)  
│               │                              ┌┴─ Escherichia coli (1-153/162) 101-1 (11)  
│               │                             ┌┴─ Escherichia coli (1-153/162) E110019 (1)  
│               │                            ┌┴┬─ Escherichia coli (1-153/162) K12 (45)  
│               │                           ┌┤ └─ Escherichia coli (1-153/162) B7A (2)  
│               │                          ┌┤└─ Escherichia coli (1-153/162) TA280 (1)  
│               │         ┌────────────────┤└─ Escherichia coli (1-153/162) FVEC1302 (4)  
│               │         │                └┬─ Escherichia coli (1-153/162) IAI39 (1)  
│               │         │                 └┬─ Escherichia coli (1-149/150) TA143   
└───────────────┤         │                  └┬─ Escherichia coli (1-153/162) ED1a (1)  
                │         │                   └─ Escherichia coli (1-153/162) O83:H1 str. NRG 857C   
                │         │                        ┌─ Escherichia coli (1-149/157) MS 21-1   
                │         │                       ┌┴─ Escherichia coli (1-149/157) IAI39 (1)  
                │         │                      ┌┴─ Escherichia coli (1-149/157) F11 (2)  
                │         │                     ┌┴─ Escherichia coli (1-149/157) APEC O1 (6)  
                │         │                    ┌┴─ Escherichia coli (1-149/157) 536 (4)  
                │         │                   ┌┴─ Escherichia coli (1-149/157) MS 69-1 (2)  
                │         │                  ┌┴─ Escherichia coli (1-149/157) FVEC1302 (3)  
                │         │                 ┌┴┬─ Escherichia coli (1-153/155) NC101   
                │         │                 │ └┬─ Escherichia coli (3-151/159) 042 (15)  
                │         │                ┌┤  └─ Escherichia coli (3-151/159) E2348/69 (2)  
                │         │               ┌┤└─ Escherichia coli (1-149/157) TA143   
                │         │              ┌┤└─ Escherichia coli (1-149/157) TA271   
                └─────────┤              │└─ Escherichia coli (1-149/157) EC4100B   
                          │       ┌──────┤┌─ Escherichia coli (1-149/157) 1827-70 (2)  
                          │       │      └┤ ┌─ Escherichia coli (3-151/159) B088 (39)  
                          │       │       └┬┴─ Escherichia coli (1-149/157) E24377A (6)  
                          │       │        └┬─ Escherichia coli (1-149/157) M718   
                          │   ┌───┤         └┬─ Escherichia coli (1-149/157) B171 (10)  
                          │   │   │          └┬─ Escherichia coli (1-149/157) K12 (20)  
                          │   │   │           └─ Escherichia coli (1-149/157) 53638 (1)  
                          │   │   │         ┌─ Escherichia coli M718 (2)  
                          │   │   └─────────┤┌─ Escherichia coli 83972 (1)  
                          │   │             └┤┌─ Escherichia coli MS 78-1   
                          │   │              └┤ ┌─ Escherichia coli K12 (119)  
                          │   │               └┬┴─ Escherichia coli (2-176/176) 042 (1)  
                          │   │                └┬─ Escherichia coli O157:H7 EDL933 (1)  
                          │   │                 └┬─ Escherichia coli IAI39 (1)  
                          │   │                  └─ Escherichia coli O55:H7 str. CB9615   
                          │   │                      ┌─ Escherichia coli (1-162/659) NC101   
                          └───┤                     ┌┴─ Escherichia coli (1-162/659) MS 21-1   
                              │                    ┌┴─ Escherichia coli (1-162/659) E2348/69 (3)  
                              │    ┌───────────────┴┬─ Escherichia coli (1-162/659) K12 (32)  
                              │    │                └┬─ Escherichia coli (1-157/654) TA143   
                              │    │                 └─ Escherichia coli (1-162/659) 1044A (11)  
                              │    │                          ┌─ Escherichia coli (6-159/644) ED1a (1)  
                              │    │                         ┌┴─ Escherichia coli (6-159/644) M605 (2)  
                              │    │                        ┌┴─ Escherichia coli (6-159/644) 536 (4)  
                              │    │                       ┌┴─ Escherichia coli (6-159/644) H299 (20)  
                              │    │                      ┌┴─ Escherichia coli (6-159/644) B185   
                              │    │                     ┌┴┬─ Escherichia coli (6-159/644) 1044A (29)  
                              │    │                     │ └┬─ Escherichia coli (6-159/644) ETEC H10407 (1)  
                              └────┤                    ┌┤  └─ Escherichia coli (6-159/644) K12 (56)  
                                   │                    │└┬─ Escherichia coli (6-159/644) TA143 (1)  
                                   │                    │ └┬─ Escherichia coli (6-159/644) TA280   
                                   │                   ┌┤  └┬─ Escherichia coli (6-158/644) 042 (1)  
                                   │                   ││   └─ Escherichia coli (6-159/644) FVEC1302 (10)  
                                   │   ┌───────────────┤└─ Escherichia coli (6-159/644) B171 (20)  
                                   │   │               └─ Escherichia coli (3-156/641) B354   
                                   │   │                           ┌─ fig|1040638.4.peg.2592 O104:H4 (1-183/203) str. LB226692 (52)  
                                   │   │                          ┌┴─ Escherichia coli (1-183/203) E24377A (1)  
                                   │   │                         ┌┴─ Escherichia coli (1-183/203) 53638 (1)  
                                   │   │                        ┌┴─ Escherichia coli (1-183/203) K12 (50)  
                                   └───┤                       ┌┴─ Escherichia coli (1-183/203) 101-1 (5)  
                                       │                      ┌┴┬─ Escherichia coli (1-183/203) SE15   
                                       │                      │ └┬─ Escherichia coli (1-183/203) M605 (3)  
                                       │            ┌─────────┤  └┬─ Escherichia coli (1-183/203) APEC O1 (6)  
                                       │            │         │   └─ Escherichia coli (1-183/203) IAI39 (1)  
                                       │            │         └─ Escherichia coli (1-183/203) MS 21-1   
                                       └────────────┤               ┌─ Escherichia coli (1-190/205) TA143   
                                                    │              ┌┴─ Escherichia coli (1-190/205) B354   
                                                    │             ┌┴─ Escherichia coli (1-190/205) TA280   
                                                    │             │ ┌─ Escherichia coli (1-190/205) MS 21-1 (2)  
                                                    └─────────────┤┌┴─ Escherichia coli (14-203/218) 042 (1)  
                                                                  ││    ┌─ Escherichia coli (14-203/218) O157:H7 EDL933 (24)  
                                                                  ││   ┌┴─ Escherichia coli (1-190/205) MS 69-1   
                                                                  └┤  ┌┴─ Escherichia coli (1-190/205) M718 (1)  
                                                                   │ ┌┴┬─ Escherichia coli (1-190/205) B185   
                                                                   │┌┤ └─ Escherichia coli (1-190/205) K12 (11)  
                                                                   └┤└─ Escherichia coli (1-190/205) FVEC1302 (3)  
                                                                    └┬─ Escherichia coli (14-203/218) B171 (12)  
                                                                     └┬─ Escherichia coli (1-190/205) MS 182-1   
                                                                      └┬─ Escherichia coli (14-203/218) E24377A (1)  
                                                                       └┬─ Escherichia coli (14-203/218) B7A (18)  
                                                                        └┬─ Escherichia coli (1-190/205) 101-1 (4)  
                                                                         └─ Escherichia coli (14-203/218) ATCC 8739 (5)  
  
Electron transport protein HydN (20)
Pyridine nucleotide-disulphide oxidoreductase family protein (19)
Hydrogenase-4 component A (EC 1.-.-.-) (17)
Predicted oxidoreductase, Fe-S subunit (9)
Formate hydrogenlyase subunit 2 (9)
putative oxidoreductase, Fe-S subunit (8)
Formate dehydrogenase O beta subunit (EC 1.2.1.2) (8)
Hydrogenase-2 operon protein hybA precursor (7)
Putative electron transport protein ygfS (5)
Putative electron transport protein YsaA (5)
Formate dehydrogenase N beta subunit (EC 1.2.1.2) (3)
Putative electron transport protein ysaA (2)
putative electron transport protein YsaA (1)
COG0493: NADPH-dependent glutamate synthase beta chain and related oxidoreductases (1)
Others (1)