┬───────────────────────────────── Escherichia coli (222-302/302) 83972 (12)  
└┬─ Escherichia coli (222-302/302) 536 (5)  
 └─────────────────────────────────┬────────────────────────────────── Escherichia coli (222-302/302) M718   
                                   └─ Escherichia coli (222-302/302) K12 (113)  
  
Sulfate adenylyltransferase subunit 2 (EC 2.7.7.4) (4)