┌─────────────────── Escherichia coli (70-278/346) WV_060327   
           ┌─────────────┴────────────────────────────────────────── fig|1040638.4.peg.3114 O104:H4 str. LB226692  [2] 
┬──────────┴────────────────────────────────────── Escherichia coli (70-277/345) H299   
└───────────────────────────────────────────────────────────┬─ Escherichia coli (70-278/346) IAI39 (4)  
                                                            └┬─ Escherichia coli (70-278/346) IHE3034 (3)  
                                                             └─── Escherichia coli (70-278/346) APEC O1 (1)  
  
N-acetylneuraminate synthase (EC 2.5.1.56) (5)
Others (1)