┌─ Escherichia coli (207-509/549) DH1   
                                                             ┌┴─ Escherichia coli (207-509/549) BL21 (2)  
                                                            ┌┴─ Escherichia coli (207-509/549) K12 (56)  
                                                           ┌┴─ Escherichia coli (207-509/549) MS 21-1   
┌──────────────────────────────────────────────────────────┴┬─ Escherichia coli (170-472/512) B088 (32)  
│                                                           └┬─ Escherichia coli (207-509/549) B354 (1)  
│                                                            └─ Escherichia coli (207-509/549) 536 (31)  
│                                                                       ┌─ Escherichia coli (182-483/483) IAI39 (1)  
│                                                                      ┌┴─ Escherichia coli (182-483/483) MS 21-1   
│                                                                     ┌┴─ Escherichia coli (182-483/483) SMS-3-5   
┤                                                                    ┌┴─ Escherichia coli (182-483/483) FVEC1302 (5)  
│                                                                   ┌┴┬─ Escherichia coli (182-483/483) 042 (2)  
│                                                                   │ └─ Escherichia coli (182-483/483) TA280   
│       ┌───────────────────────────────────────────────────────────┤ ┌─ Escherichia coli (182-483/483) 2362-75 (13)  
│       │                                                           └┬┴─ Escherichia coli (182-483/483) 83972 (15)  
│       │                                                            └┬─ Escherichia coli (182-483/483) B088 (2)  
└───────┤                                                             └┬─ Escherichia coli (182-483/483) K12 (74)  
        │                                                              └┬─ Escherichia coli 53638   
        │                                                               └─ fig|1040638.4.peg.1844 O104:H4 str. LB226692   
        │                                         ┌─ Escherichia coli (187-475/502) ETEC H10407   
        └─────────────────────────────────────────┤┌─ Escherichia coli (187-475/502) K12 (12)  
                                                  └┤┌─ Escherichia coli (181-469/496) MS 145-7 (2)  
                                                   ││┌─ Escherichia coli (181-469/496) FVEC1412 (32)  
                                                   └┤│    ┌─ Escherichia coli (89-382/404) O157:H7 str. EC4486   
                                                    ││   ┌┴─ Escherichia coli (181-469/496) 1044A (25)  
                                                    └┤  ┌┴─ Escherichia coli (95-388/410) FVEC1302 (1)  
                                                     │ ┌┴─ Escherichia coli (181-469/496) KO11 (2)  
                                                     │┌┴─ Escherichia coli (181-469/496) 53638 (7)  
                                                     └┤┌─ Escherichia coli (181-469/496) MS 107-1   
                                                      └┤ ┌─ Escherichia coli (181-469/496) ED1a (1)  
                                                       └┬┴─ Escherichia coli (181-469/496) B171 (1)  
                                                        └┬─ Escherichia coli (181-469/496) APEC O1 (6)  
                                                         └┬─ Escherichia coli (181-469/496) EC4100B (26)  
                                                          └┬─ Escherichia coli (181-469/496) WV_060327   
                                                           └─ Escherichia coli (181-469/496) M605 (1)  
  
Proline/sodium symporter PutP (TC 2.A.21.2.1) @ Propionate/sodium symporter (16)
Pantothenate:Na+ symporter (TC 2.A.21.1.1) (11)
Acetate permease ActP (cation/acetate symporter) (7)
Others (1)