┌─ Escherichia coli (12-175/187) H299   
                                                         ┌─┴─ Escherichia coli (6-169/181) 101-1   
                                                 ┌───────┴─── Escherichia coli (4-176/181) ETEC H10407   
┌────────────────────────────────────────────────┴───────────── Escherichia coli (2-169/183) B185 (1)  
┤                                                  ┌─ fig|1040638.4.peg.241 O104:H4 str. LB226692   
└─────────────────────────┬────────────────────────┴── Escherichia coli (12-201/201) O157:H7 EDL933   
                          └────────────────────────────────┬── Escherichia coli (6-192/196) ED1a   
                                                           └────┬──── Escherichia coli (7-195/195) E110019   
                                                                └┬─ Escherichia coli (90-278/278) O55:H7 str. CB9615   
                                                                 └─ Escherichia coli (90-278/278) MS 196-1   
  
Serine acetyltransferase (EC 2.3.1.30) (4)
Colanic acid biosynthesis acetyltransferase WcaB (EC 2.3.1.-) (4)
putative serine acetlyltransferase of prophage CP-933T (1)
Others (1)