┌────────────────────────────────────────────── Escherichia coli (33-398/405) IAI39 (1)  
┌────────────┴─────────────────────────────────────────────────────── Escherichia coli (3-380/386) TA206   
┤                                                            ┌─ Escherichia coli ETEC H10407   
└────────────────────────────────────────────────────────────┤┌─ Escherichia coli K12 (16)  
                                                             └┤┌─ Escherichia coli (46-440/440) MS 116-1   
                                                              ││┌─ Escherichia coli (46-440/440) M605   
                                                              └┤│   ┌─ Escherichia coli B171 (8)  
                                                               ││  ┌┴─ Escherichia coli EC4100B (3)  
                                                               ││ ┌┴─ Escherichia coli 2362-75 (2)  
                                                               └┤┌┴─ Escherichia coli E110019 (2)  
                                                                ││      ┌─ Escherichia coli B str. REL606 (7)  
                                                                ││     ┌┴─ Escherichia coli 53638 (1)  
                                                                ││    ┌┴┬─ Escherichia coli O157:H7 EDL933 (1)  
                                                                ││   ┌┤ └─ Escherichia coli (46-440/440) 1044A (25)  
                                                                └┤   │└┬─ Escherichia coli 1827-70 (12)  
                                                                 │  ┌┤ └─ fig|1040638.4.peg.2351 O104:H4 str. LB226692 (6)  
                                                                 │ ┌┤└─ Escherichia coli O111:H- str. 11128 (1)  
                                                                 │┌┤└─ Escherichia coli (46-440/440) MS 107-1   
                                                                 ││└─ Escherichia coli SMS-3-5   
                                                                 ││    ┌─ Escherichia coli 83972 (6)  
                                                                 └┤   ┌┴─ Escherichia coli APEC O1 (6)  
                                                                  │  ┌┴─ Escherichia coli (46-440/440) CFT073 (1)  
                                                                  │ ┌┴─ Escherichia coli MS 45-1   
                                                                  │┌┴─ Escherichia coli F11 (4)  
                                                                  └┤ ┌─ Escherichia coli TA143   
                                                                   │┌┴─ Escherichia coli MS 196-1 (1)  
                                                                   └┤┌─ Escherichia coli H299   
                                                                    └┤ ┌─ Escherichia coli 536 (1)  
                                                                     └┬┴─ Escherichia coli MS 78-1   
                                                                      └┬─ Escherichia coli B354   
                                                                       └┬─ Escherichia coli MS 21-1   
                                                                        └─ Escherichia coli TA280   
  
Cystathionine beta-lyase (EC 4.4.1.8) (29)
Cystathionine gamma-synthase (EC 2.5.1.48) (1)
hypothetical protein (1)
Others (1)