┌──────────────────────────────────────────────────────────────────── Escherichia coli (6-447/461) 536 (20)  
┤                                                                  ┌─ Escherichia coli MS 196-1   
└──────────────────────────────────────────────────────────────────┤ ┌─ Escherichia coli 536 (11)  
                                                                   │┌┴─ Escherichia coli 042 (26)  
                                                                   └┤ ┌─ Escherichia coli 1044A (26)  
                                                                    └┬┴─ Escherichia coli O157:H7 EDL933   
                                                                     └┬─ Escherichia coli TA280   
                                                                      └┬─ Escherichia coli B088   
                                                                       └─ Escherichia coli K12 (62)  
  

  
Lysine-specific permease
 (8)
  
Probable transport protein yifK
 (1)