┌───────────────────── Escherichia coli MS 69-1   
│                                            ┌───────────────────── Escherichia coli SE15   
│                                           ┌┴───────────────────── Escherichia coli M605   
┤                      ┌────────────────────┴─ Escherichia coli (15-344/344) APEC O1 (10)  
│ ┌────────────────────┴┬─ Escherichia coli (15-344/344) 042 (27)  
│┌┤                     └────────────────────── Escherichia coli (15-344/344) E2348/69 (1)  
└┤└─ Escherichia coli K12 (40)  
 │┌── Escherichia coli O157:H7 EDL933  [2] 
 └┤┌────────────────────── Escherichia coli B088 (11)  
  └┤                     ┌─────────────────────────────────────────── Escherichia coli MS 84-1   
   └────────────────────┬┴────────────────────── Escherichia coli B7A (1)  
                        └┬────────────────────── Escherichia coli ETEC H10407   
                         └┬─ Escherichia coli (15-344/344) ATCC 8739 (26)  
                          └────────────────────── Escherichia coli 101-1   
  

  
L-proline glycine betaine binding ABC transporter protein ProX (TC 3.A.1.12.1)
 (11)
  
L-proline glycine betaine binding ABC transporLter protein ProX (TC 3.A.1.12.1)
 (3)