┌─────────────────────── fig|1040638.4.peg.2838 O104:H4 str. LB226692 (9)  
┤                                    ┌─ Escherichia coli 042 (2)  
│      ┌─────────────────────────────┴────────────────────────────── Escherichia coli FVEC1302 (3)  
└──────┤                              ┌─ Escherichia coli B str. REL606 (5)  
       │┌─────────────────────────────┴────────────────────────────── Escherichia coli 101-1   
       └┤ ┌────────────────────────────── Escherichia coli E110019 (1)  
        └┬┴────────────────────────────── Escherichia coli SMS-3-5   
         └┬─ Escherichia coli K12 (80)  
          └─────────────────────────────┬── Escherichia coli O157:H7 EDL933  [2] 
                                        └─ Escherichia coli 1044A (23)  
  

  
Sulfate transport system permease protein CysW
 (9)
  
 Others 
(1)