┌─ Escherichia coli (27-120/120) B088   
                                                  ┌┴─ Escherichia coli (27-120/120) O157:H7 EDL933 (24)  
                                                 ┌┴─ Escherichia coli M605   
                                                ┌┴─ Escherichia coli BL21   
                                               ┌┴┬─ Escherichia coli APEC O1   
                                              ┌┤ └─ Escherichia coli B354   
                            ┌─────────────────┤└─ Escherichia coli K12 (95)  
 ┌──────────────────────────┤                 └─ Escherichia coli 2362-75 (1)  
┌┤                          └────────────────────────────── Escherichia coli (1-88/101) 1125A (3)  
│└─────────────────────────────────────────────────────────────────── Escherichia coli (10-91/1365) HS (1)  
┤                                              ┌─ Escherichia coli (11-86/113) M718   
│                                             ┌┴─── Escherichia coli (3-70/97) B185   
│                                            ┌┴─ Escherichia coli (29-104/131) E24377A (1)  
└────────────────────────────────────────────┤┌─ Escherichia coli (29-104/131) 101-1   
                                             └┤ ┌─ Escherichia coli (29-104/131) O111:H- str. 11128 (1)  
                                              └┬┴─ Escherichia coli (11-86/113) K12 (76)  
                                               └┬─ Escherichia coli (11-86/113) ETEC H10407   
                                                └┬─ Escherichia coli (29-104/131) MS 182-1 (1)  
                                                 └┬─ fig|6666666.5357.peg.3230 TY-2482 (29-104/131) strain (3)  
                                                  └─ Escherichia coli (29-104/131) B171 (23)  
  

  
HigA protein (antitoxin to HigB)
 (15)
  
hypothetical protein
 (4)
  
 Others 
(1)