┌───────────────────────────────────────────────────── fig|1040638.4.peg.3113 O104:H4 str. LB226692 (2)  
┬──────────────┴─────────────────────────────────────────── Escherichia coli H299   
└────────────────────────────────────────────────────────────────┬─ Escherichia coli (3-418/418) IAI39 (1)  
                                                                 └┬─ Escherichia coli (3-418/418) SMS-3-5   
                                                                  └─ Escherichia coli (3-418/418) APEC O1 (6)  
  
N-Acetylneuraminate cytidylyltransferase (EC 2.7.7.43) (4)
Others (1)