┌─ Escherichia coli (85-240/240) W (2)  
                                 ┌─────────────────┴────────────────── Escherichia coli (64-219/219) EC4100B   
               ┌─────────────────┴─ Escherichia coli (64-219/219) K12 (25)  
┌──────────────┴┬────────────────── Escherichia coli (64-219/219) B7A (1)  
┤               └─ Escherichia coli (64-219/219) B088 (26)  
│ ┌────────────────── Escherichia coli (64-219/219) 1044A (24)  
└─┤┌─ Escherichia coli (64-219/219) 042 (12)  
  └┤┌────────────────── Escherichia coli (64-219/219) MS 69-1   
   └┤ ┌────────────────── Escherichia coli (64-219/219) B185   
    │┌┴─────────────────────────────────── Escherichia coli (64-219/219) APEC O1 (20)  
    └┤                  ┌────────────────── Escherichia coli (64-219/219) IAI39 (1)  
     └┬─────────────────┴─ Escherichia coli SMS-3-5   
      └─────────────────┬─────────────────────────────────── Escherichia coli (64-219/219) O83:H1 str. NRG 857C   
                        └┬─────────────────────────────────── Escherichia coli (64-219/219) 83972 (5)  
                         └─ Escherichia coli (64-219/219) MS 21-1   
  

  
Flagellar basal-body P-ring formation protein FlgA
 (15)