┌────────────── Escherichia coli (19-131/131) MS 182-1 (1)  
       ┌┴────────────── fig|6666666.5357.peg.3230 TY-2482 (19-131/131) strain (3)  
┌──────┴─ Escherichia coli (19-131/131) B171 (23)  
┤                   ┌─ Escherichia coli (19-131/131) ATCC 8739 (4)  
└─────┬─────────────┴────────────── Escherichia coli (19-131/131) 53638 (1)  
      └┬────────────── Escherichia coli (19-131/131) O111:H- str. 11128 (1)  
       └┬─ Escherichia coli K12 (69)  
        └┬────────────── Escherichia coli ETEC H10407   
         └┬────────────── Escherichia coli (19-131/131) 101-1   
          └─────────────┬─ Escherichia coli (19-131/131) E24377A (1)  
                        └─────────────┬───────────────────────────────── Escherichia coli (5-97/97) B185   
                                      └─ Escherichia coli M718   
  

  
HigA protein (antitoxin to HigB)
 (10)
  
hypothetical protein
 (1)
  
 Others 
(1)