┌─ Escherichia coli (4-73/163) K12 (103)  
                                                       ┌┴─ Escherichia coli (14-83/173) 1044A (22)  
┬──────────────────────────────────────────────────────┴── Escherichia coli (4-73/164) O157:H7 str. EC4024   
└──────────────────────────────────────────────────────┬─ Escherichia coli 2362-75   
                                                       └┬─ Escherichia coli WV_060327   
                                                        └┬─ Escherichia coli K12 (121)  
                                                         └┬─ Escherichia coli 1827-70 (2)  
                                                          └┬─ fig|1040638.4.peg.1554 O104:H4 str. LB226692 (6)  
                                                           └──────────── Escherichia coli (5-95/95) O157:H7 str. EC4024   
  
Acetolactate synthase small subunit (EC 2.2.1.6) (8)
Others (1)