┌────────────────── Escherichia coli (28-164/164) CFT073 (20)  
┤                                    ┌─ Escherichia coli K12 (14)  
│                                   ┌┴─────────────────────────── Escherichia coli MS 175-1   
└────────┬──────────────────────────┴─────────────────────────── Escherichia coli B str. REL606 (3)  
         └┬─────────────────────────── Escherichia coli E110019 (1)  
          └┬─ Escherichia coli (28-164/164) APEC O1 (87)  
           └─────────────────────────┬──────────────────────────────── Escherichia coli O157:H7 str. EC4501   
                                     └─ Escherichia coli MS 115-1   
  

  
Succinyl-CoA synthetase, alpha subunit-related enzymes
 (8)