┬──────────────────────────────────────────────────────────────────── Escherichia coli (17-486/486) MS 115-1   
└───────────────────────────────────────────────────────────────────┬─ Escherichia coli MS 200-1   
                                                                    └┬─ Escherichia coli K12 (101)  
                                                                     └┬─ Escherichia coli O55:H7 str. CB9615   
                                                                      └┬─ Escherichia coli O157:H7 EDL933   
                                                                       └─ Escherichia coli 1044A (22)  
  
Cardiolipin synthetase (EC 2.7.8.-) (6)