┌─ Escherichia coli (1-431/432) 1827-70   
                                                                      ┌┴─ Escherichia coli (23-453/454) EC4100B (1)  
                                                                     ┌┴─ Escherichia coli (23-453/454) B171 (1)  
                                                                    ┌┴┬─ Escherichia coli (23-453/454) E22 (2)  
                                                                    │ └┬─ Escherichia coli (23-453/454) B7A (1)  
                                                                   ┌┤  └─ Escherichia coli (23-453/454) MS 145-7 (1)  
                                                                   │└┬─ Escherichia coli (1-431/432) 536 (30)  
                                                                  ┌┤ └─ Escherichia coli (1-431/432) IAI1 (1)  
                                                                  ││ ┌─ Escherichia coli (23-453/454) MS 124-1 (3)  
                                                                  │└┬┴─ Escherichia coli (23-453/454) K12 (77)  
                                                                 ┌┤ └┬─ Escherichia coli (1-431/432) B185   
                                                                 ││  └┬─ Escherichia coli (23-453/454) M718 (1)  
                                                                ┌┤│   └─ Escherichia coli (1-431/432) IAI39 (3)  
                                                                ││└─ Escherichia coli (1-431/432) FVEC1302 (4)  
                 ┌──────────────────────────────────────────────┤└─ Escherichia coli (23-453/454) O157:H7 EDL933 (1)  
                 │                                              └─ Escherichia coli (23-453/454) 1044A (26)  
                 │                                                   ┌─ fig|1040638.4.peg.2693 O104:H4 (23-452/455) str. LB226692 (35)  
┌────────────────┤                                                  ┌┴─ Escherichia coli (23-452/455) ATCC 8739 (3)  
│                │                                                 ┌┴─ Escherichia coli (23-448/448) MS 182-1   
│                │                                                ┌┴─ Escherichia coli (23-452/455) B171 (1)  
│                └────────────────────────────────────────────────┤┌─ Escherichia coli (23-452/455) B354   
│                                                                 └┤  ┌─ Escherichia coli (23-452/455) K12 (9)  
┤                                                                  │ ┌┴─ Escherichia coli (23-452/455) H736 (1)  
│                                                                  └┬┴─ Escherichia coli (23-452/455) 042 (2)  
│                                                                   └┬─ Escherichia coli (1-430/433) SMS-3-5   
│                                                                    └┬─ Escherichia coli (23-452/455) 1044A (25)  
│                                                                     └─ Escherichia coli (23-452/455) 2362-75 (41)  
│                                                               ┌─ Escherichia coli MS 145-7 (1)  
└───────────────────────────────────────────────────────────────┤┌─ fig|1040638.4.peg.1689 O104:H4 str. LB226692 (50)  
                                                                └┤┌─ Escherichia coli (23-454/454) SE11   
                                                                 └┤┌── Escherichia coli (25-449/449) MS 69-1   
                                                                  └┤┌─ Escherichia coli H299 (2)  
                                                                   └┤ ┌─ Escherichia coli (25-456/456) 101-1 (25)  
                                                                    │┌┴─ Escherichia coli DH1   
                                                                    └┤ ┌─ Escherichia coli 83972 (4)  
                                                                     │┌┴─ Escherichia coli S88   
                                                                     └┤┌─ Escherichia coli APEC O1 (15)  
                                                                      └┤  ┌─ Escherichia coli O83:H1 str. NRG 857C (2)  
                                                                       │ ┌┴─ Escherichia coli (23-454/454) TA206 (1)  
                                                                       └┬┴─ Escherichia coli 536 (1)  
                                                                        └┬─ Escherichia coli 2362-75 (1)  
                                                                         └┬─ Escherichia coli (23-454/454) M718 (1)  
                                                                          └┬─ Escherichia coli (25-456/456) 1044A (11)  
                                                                           └─ Escherichia coli (23-454/454) 1125A (17)  
  
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)