┬─────────── Escherichia coli (307-382/382) K12 (106)  
└───────┬─ Escherichia coli (307-382/382) 1044A (21)  
        └───────────────────────────┬─ Escherichia coli (307-372/372) O157:H7 str. EC869   
                                    └──────────────────────────────── Escherichia coli (307-378/429) O157:H7 str. EC4401   
  
Cyclopropane-fatty-acyl-phospholipid synthase (EC 2.1.1.79) (4)