┌──────────────── Escherichia coli (1-301/352) 1212A   
┬──────────────────────────────────────────┴─ Escherichia coli (1-301/352) 1044A (30)  
└───────────────────┬──────────────────────────────────────────────── fig|1040638.4.peg.492 O104:H4 str. LB226692   
                    └┬──────────────── fig|6666666.5357.peg.2350 TY-2482 (1-301/352) strain   
                     └──────────────── Escherichia coli (1-301/352) APEC O1 (1)  
  
Carbamoylphosphate synthase large subunit (split gene in MJ) (3)
Others (2)