┌──────────────────────────── Escherichia coli 536 (3)  
│              ┌─ Escherichia coli SE15   
┤       ┌──────┴────────────── Escherichia coli (6-442/442) M605   
│       │ ┌─────── Escherichia coli H299   
│       │┌┴────────────── Escherichia coli MS 21-1   
└───────┤│                 ┌─────── fig|1040638.4.peg.2780 O104:H4 str. LB226692 (5)  
        ││                ┌┴─ Escherichia coli (6-442/442) K12 (24)  
        ││         ┌──────┴─────── Escherichia coli MS 115-1   
        ││  ┌──────┴─ Escherichia coli B185   
        └┤ ┌┴─────── Escherichia coli TA143   
         │┌┴──────┬─────── Escherichia coli (6-442/442) H591   
         ││       └┬─ Escherichia coli 101-1 (22)  
         ││        └┬────────────── Escherichia coli O26:H11 str. 11368   
         ││         └─────── Escherichia coli (6-442/442) B171 (1)  
         ││                                            ┌────────────── Escherichia coli WV_060327   
         └┤                              ┌─────────────┴─ Escherichia coli APEC O1 (6)  
          │                ┌─────────────┴─ Escherichia coli TA206   
          │               ┌┴──────┬─────── Escherichia coli 83972 (5)  
          │              ┌┤       └─ Escherichia coli NC101   
          │┌─────────────┤└─────── Escherichia coli ED1a (2)  
          └┤             └─────── Escherichia coli 2362-75   
           │      ┌──────────────────────────────────── Escherichia coli (1-436/438) IAI39 (1)  
           └──────┤┌─ Escherichia coli (1-436/437) 536 (7)  
                  └┤              ┌─ Escherichia coli (1-437/438) IAI39 (1)  
                   │       ┌──────┴───────────────────────────── Escherichia coli (1-437/438) SMS-3-5   
                   └──────┬┴─────── Escherichia coli (1-437/438) FVEC1302 (3)  
                          └┬─ Escherichia coli 1044A (24)  
                           └┬────────────── Escherichia coli M718 (1)  
                            └──────┬────────────── Escherichia coli TA280   
                                   └─ Escherichia coli (1-437/438) B354   
  
D-serine dehydratase (EC 4.3.1.18) (29)
Others (1)