┌─ Escherichia coli (1-295/303) BL21   
                                                                        ┌┴─ Escherichia coli E110019 (1)  
                                                                       ┌┴─ Escherichia coli 1044A (25)  
                                                                      ┌┴─ Escherichia coli MS 116-1   
                                                                     ┌┴─ Escherichia coli K12 (93)  
                                                                    ┌┴┬─ Escherichia coli B354 (2)  
                                                                   ┌┤ └─ Escherichia coli B088   
              ┌────────────────────────────────────────────────────┤└─ Escherichia coli ATCC 8739 (2)  
 ┌────────────┤                                                    └─ Escherichia coli WV_060327   
 │            └────────────┬─ Escherichia coli (7-294/300) TA143   
┌┤                         └┬─ Escherichia coli (7-294/300) K12 (131)  
││                          └─ Escherichia coli (19-294/300) EC4100B   
│└────────────────────────────────┬─ Escherichia coli (8-269/277) M605 (1)  
│                                 └┬─ Escherichia coli (8-269/277) O83:H1 str. NRG 857C   
│                                  └┬─ Escherichia coli (8-269/277) 2362-75 (18)  
┤                                   └┬─ Escherichia coli (8-269/277) MS 185-1   
│                                    └─ Escherichia coli (8-269/277) 536 (5)  
│                                                          ┌─ Escherichia coli (23-297/302) K12 (91)  
│                                                         ┌┴─ Escherichia coli (23-297/302) E110019 (1)  
│           ┌─────────────────────────────────────────────┴┬─ Escherichia coli (23-297/302) 042 (32)  
└───────────┤                                              └─ Escherichia coli (23-297/302) 536 (5)  
            │                   ┌─ Escherichia coli (20-297/303) HS (1)  
            └───────────────────┤┌─ Escherichia coli (20-297/303) 042 (12)  
                                └┤┌─ Escherichia coli (20-297/303) O83:H1 str. NRG 857C (80)  
                                 └┤┌─ Escherichia coli (20-297/303) MS 182-1   
                                  └┤ ┌─ Escherichia coli (20-297/303) KO11 (2)  
                                   │┌┴─ Escherichia coli (20-297/303) E110019 (1)  
                                   └┤ ┌─ Escherichia coli (31-297/303) M605   
                                    │┌┴─ Escherichia coli (20-297/303) SMS-3-5   
                                    └┤ ┌─ Escherichia coli (20-297/303) K12 (18)  
                                     └┬┴─ Escherichia coli (20-297/303) TA280   
                                      └┬─ Escherichia coli (20-297/303) O111:H- str. 11128   
                                       └─ Escherichia coli (20-297/303) APEC O1 (6)  
  
Dipeptide transport system permease protein DppC (TC 3.A.1.5.2) (10)
Peptide transport system permease protein sapC (TC 3.A.1.5.5) (9)
Glutothione ABC transporter permease protein (7)
Oligopeptide transport system permease protein OppC (TC 3.A.1.5.1) (3)
putative transporter, permease protein (2)
ABC oligo-dipeptide/nickel transporter, permease subunit precursor (1)
putative peptide transport system integral membrane protein (1)