┌─────────────────────────────── Escherichia coli MS 69-1   
┤                                                          ┌── Escherichia coli 2362-75 (1)  
│             ┌────────────────────────────────────────────┴── Escherichia coli O127:H6 str. E2348/69   
└─────────────┤ ┌───────────────────────────────────────────── Escherichia coli 101-1 (5)  
              └─┤ ┌───────────────────────────────────────────── Escherichia coli EC4100B   
                └─┤   ┌── Escherichia coli 1827-70 (6)  
                  │ ┌─┴── fig|1040638.4.peg.3913 O104:H4 str. LB226692 (86)  
                  └─┤   ┌── Escherichia coli MS 198-1   
                    └─┬─┴── Escherichia coli O157:H7 EDL933 (1)  
                      └────────────────────────────────────────────┬── Escherichia coli MS 196-1   
                                                                   └── Escherichia coli K12 (10)  
  

  
Probable protease HtpX (EC 3.4.24.-)
 (10)
  
 Others 
(1)