┌─ Escherichia coli (23-454/454) MS 124-1 (3)  
                                                                       ┌┴─ Escherichia coli (23-454/454) E22 (2)  
                                                                      ┌┴─ Escherichia coli (23-454/454) K12 (77)  
                                                                     ┌┴┬─ Escherichia coli IAI1 (1)  
                                                                    ┌┤ └─ Escherichia coli (23-454/454) B171 (1)  
                                                                    │└┬─ Escherichia coli 1827-70   
                                                                   ┌┤ └─ Escherichia coli (23-454/454) EC4100B (1)  
                                                                   │└┬─ Escherichia coli 536 (30)  
                                                                  ┌┤ └┬─ Escherichia coli (23-454/454) MS 145-7 (1)  
                                                                  ││  └─ Escherichia coli (23-454/454) B7A (1)  
                                                                  │└┬─ Escherichia coli B185   
                                                                 ┌┤ └┬─ Escherichia coli (23-454/454) M718 (1)  
                                                                 ││  └─ Escherichia coli IAI39 (3)  
                                                                ┌┤└─ Escherichia coli FVEC1302 (4)  
                  ┌─────────────────────────────────────────────┤└─ Escherichia coli (23-454/454) O157:H7 EDL933 (1)  
                  │                                             └─ Escherichia coli (23-454/454) 1044A (26)  
                  │                                                  ┌─ Escherichia coli (23-448/448) MS 182-1   
┌─────────────────┤                                                 ┌┴─ Escherichia coli (23-455/455) ATCC 8739 (3)  
│                 │                                                ┌┴─ fig|1040638.4.peg.2693 O104:H4 (23-455/455) str. LB226692 (35)  
│                 │                                               ┌┴─ Escherichia coli (23-455/455) B171 (1)  
│                 └───────────────────────────────────────────────┤┌─ Escherichia coli (23-455/455) B354   
│                                                                 └┤ ┌─ Escherichia coli (23-455/455) K12 (9)  
┤                                                                  └┬┴─ Escherichia coli (23-455/455) H736 (1)  
│                                                                   └┬─ Escherichia coli (23-455/455) 1044A (25)  
│                                                                    └┬─ Escherichia coli (23-455/455) 2362-75 (41)  
│                                                                     └┬─ Escherichia coli (23-455/455) 042 (2)  
│                                                                      └─ Escherichia coli SMS-3-5   
│                                                               ┌─ Escherichia coli (1-431/432) MS 145-7 (1)  
└───────────────────────────────────────────────────────────────┤ ┌─ fig|1040638.4.peg.1689 O104:H4 (1-431/432) str. LB226692 (50)  
                                                                │┌┴─ Escherichia coli (23-453/454) SE11   
                                                                └┤┌── Escherichia coli (25-449/449) MS 69-1   
                                                                 └┤┌─ Escherichia coli (1-431/432) H299 (2)  
                                                                  ││ ┌─ Escherichia coli (25-455/456) 101-1 (25)  
                                                                  └┤┌┴─ Escherichia coli (1-431/432) DH1   
                                                                   ││ ┌─ Escherichia coli (1-431/432) 83972 (4)  
                                                                   └┤┌┴─ Escherichia coli (1-431/432) S88   
                                                                    ││   ┌─ Escherichia coli (25-455/456) 1044A (11)  
                                                                    └┤  ┌┴─ Escherichia coli (23-453/454) M718 (1)  
                                                                     │ ┌┴─ Escherichia coli (23-453/454) 1125A (17)  
                                                                     └┬┴─ Escherichia coli (1-431/432) 2362-75 (1)  
                                                                      └┬─ Escherichia coli (1-431/432) APEC O1 (15)  
                                                                       └┬─ Escherichia coli (1-431/432) 536 (1)  
                                                                        └┬─ Escherichia coli (1-431/432) O83:H1 str. NRG 857C (2)  
                                                                         └─ Escherichia coli (23-453/454) TA206 (1)  
  
L-serine dehydratase 1 (EC 4.3.1.17) (16)
Predicted L-serine dehydratase (EC 4.3.1.17) TdcG (15)
L-serine dehydratase (EC 4.3.1.17) (10)
L-serine dehydratase 1( EC:4.3.1.17 ) (1)
Others (2)