┌───────────── Escherichia coli (154-221/221) H591   
┤       ┌─ Escherichia coli (173-240/240) K12 (85)  
└──────┬┴──────────────────── Escherichia coli (154-221/221) MS 116-1 (1)  
       └───────────────────┬──────────────────── Escherichia coli (154-221/221) SMS-3-5   
                           └┬─ Escherichia coli (154-221/221) MS 21-1   
                            └───────────────────┬──────────────────── Escherichia coli (154-221/221) TA280   
                                                └─ Escherichia coli (173-240/240) 042 (9)  
  

  
Transcriptional regulator, GntR family
 (7)