┌─ Escherichia coli (6-493/500) MS 185-1   
┌──────────────────────────────────────────────────────────────────┴─ Escherichia coli (20-507/514) CFT073 (4)  
┤                                                                  ┌─ Escherichia coli TA143   
└──────────────────────────────────────────────────────────────────┤┌─ Escherichia coli (65-540/540) 042 (2)  
                                                                   └┤┌─ Escherichia coli FVEC1302 (3)  
                                                                    └┤┌─ Escherichia coli O26:H11 str. 11368   
                                                                     ││  ┌─ Escherichia coli IAI39 (1)  
                                                                     └┤ ┌┴─ Escherichia coli (65-540/540) MS 115-1   
                                                                      │┌┴┬─ Escherichia coli H591 (5)  
                                                                      ││ └─ Escherichia coli (65-540/540) 1125A (25)  
                                                                      └┤ ┌─ Escherichia coli (65-540/540) K12 (48)  
                                                                       │┌┴─ Escherichia coli O103:H2 str. 12009   
                                                                       └┤┌─ Escherichia coli MS 175-1   
                                                                        └┤ ┌─ Escherichia coli (65-540/540) B088   
                                                                         └┬┴─ fig|1040638.4.peg.4748 O104:H4 str. LB226692 (4) [2] 
                                                                          └┬─ Escherichia coli SMS-3-5   
                                                                           └─ Escherichia coli MS 21-1   
  

  
Probable transport protein
 (14)
  
Putative amino acid permease
 (2)
  
 Others 
(1)