┌── Escherichia coli (25-129/160) 042 (15)  
┬─────────────────────────────────────────────────────────────────┴── Escherichia coli (9-113/144) MS 182-1   
└─────────────────────────────────────────────────────────┬────── Escherichia coli MS 182-1   
                                                          └─────────┬─ fig|1040638.4.peg.141 O104:H4 str. LB226692 (12)  
                                                                    └─ Escherichia coli 101-1   
  

  
Mercuric resistance operon coregulator
 (2)
  
Mercuric resistance operon regulatory protein
 (2)
  
 Others 
(1)