┌─ Escherichia coli (5-166/195) IAI39 (1)  
                                                            ┌┴─ Escherichia coli (5-166/195) 2362-75 (2)  
                                                           ┌┴─ Escherichia coli (5-166/195) 536 (7)  
                                                          ┌┴─ Escherichia coli (5-163/195) 83972 (5)  
                                                        ┌─┴─ Escherichia coli (5-166/195) TA206   
         ┌──────────────────────────────────────────────┴┬─ Escherichia coli (5-163/195) B171 (4)  
         │                                               └┬─ fig|1040638.4.peg.4581 O104:H4 (5-163/195) str. LB226692 (3)  
┌────────┤                                                └─ Escherichia coli (5-163/195) B7A (6)  
│        └─────────────────────────────────────────────────────────── Escherichia coli (4-162/176) B171   
┤                                                          ┌─ fig|1040638.4.peg.2338 O104:H4 str. LB226692 (30)  
│                                                         ┌┴─ Escherichia coli MS 21-1   
└─────────────────────────────────────────────────────────┤ ┌─ Escherichia coli B088 (10)  
                                                          │┌┴─ Escherichia coli 042 (5)  
                                                          └┤┌─ Escherichia coli K12 (19)  
                                                           ││   ┌─ Escherichia coli EC4100B   
                                                           └┤  ┌┴─ Escherichia coli IAI1   
                                                            │ ┌┴─ Escherichia coli E110019   
                                                            │┌┴─ Escherichia coli E110019 (3)  
                                                            └┤ ┌─ Escherichia coli MS 198-1   
                                                             └┬┴─ Escherichia coli FVEC1302 (2)  
                                                              └┬─ Escherichia coli APEC O1 (11)  
                                                               └┬─ Escherichia coli 2362-75 (1)  
                                                                └┬─ Escherichia coli APEC O1 (11)  
                                                                 └┬─ Escherichia coli 83972   
                                                                  └─ Escherichia coli ABU 83972 (2)  
  
Hydrogenase maturation protease (EC 3.4.24.-) (23)
Others (2)