┌─ Escherichia coli 1044A (23)  
          ┌────────────┴─ Escherichia coli O157:H7 EDL933 (1)  
┌─────────┴─ Escherichia coli 101-1 (15)  
│    ┌───────────── Escherichia coli H299   
┤   ┌┴───────────── Escherichia coli K12 (18)  
│  ┌┴─ fig|1040638.4.peg.1020 O104:H4 str. LB226692 (41)  
└──┤            ┌─ Escherichia coli APEC O1 (7)  
   └────────────┤                          ┌─ Escherichia coli (5-70/70) E2348/69 (11)  
                └─────────────────────────┬┴───────────── Escherichia coli 536 (6)  
                                          └────────────┬───────────── Escherichia coli SE15   
                                                       └───────────── Escherichia coli M605   
  

  
Sulfur carrier protein ThiS
 (10)
  
 Others 
(1)