┌─ Escherichia coli B str. REL606 (2)  
                                                                                 ┌┴─ Escherichia coli MS 187-1   
                                                                                ┌┴─ Escherichia coli ATCC 8739 (1)  
                                                                               ┌┴─ Escherichia coli K12 (10)  
                                                                              ┌┴─ Escherichia coli HS (1)  
                                                                             ┌┴─ Escherichia coli ETEC H10407 (1)  
                                                                            ┌┴─ fig|1040638.4.peg.3979 O104:H4 str. LB226692 (7)  
                                                                           ┌┴─ Escherichia coli E24377A (1)  
                                                                          ┌┴─ Escherichia coli B088   
                                                                         ┌┴─ Escherichia coli H591 (2)  
                                                                        ┌┴┬─ Escherichia coli MS 124-1 (1)  
                                                                        │ └┬─ Escherichia coli MS 115-1   
                                                                       ┌┤  └─ Escherichia coli TA271   
                                                                       ││ ┌─ Escherichia coli B7A (1)  
                                                                       │└┬┴─ Escherichia coli 101-1 (4)  
                                                                      ┌┤ └┬─ Escherichia coli MS 107-1   
                                                                      ││  └─ Escherichia coli O111:H- str. 11128 (1)  
                                                                     ┌┤└─ Escherichia coli E22 (3)  
                                                                    ┌┤└─ Escherichia coli B171 (1)  
                                                                   ┌┤└─ Escherichia coli KO11 (2)  
                                                                  ┌┤└─ Escherichia coli B185   
                                                                 ┌┤└─ Escherichia coli 1125A (24)  
                                                                ┌┤└─ Escherichia coli M718   
                                                                │└┬─ Escherichia coli MS 69-1   
                                                                │ └┬─ Escherichia coli (2-534/534) 042 (1)  
                                                                │  └┬─ Escherichia coli TA280   
┌───────────────────────────────────────────────────────────────┤   └┬─ Escherichia coli TA143   
│                                                               │    └┬─ Escherichia coli H299   
│                                                               │     └┬─ Escherichia coli FVEC1302 (3)  
│                                                               │      └─ Escherichia coli SMS-3-5   
│                                                               └─ Escherichia coli B354   
│                                                                        ┌─ Escherichia coli (1-527/554) B354   
│                                                                       ┌┴─ Escherichia coli (1-517/557) HS (1)  
│                                                                      ┌┴─ Escherichia coli (1-521/551) B str. REL606 (6)  
│                                                                     ┌┴─ Escherichia coli (1-527/554) H299 (2)  
│                                                                    ┌┴─ Escherichia coli (1-527/554) B185   
│                                                                   ┌┴┬─ Escherichia coli (1-527/554) O111:H- str. 11128   
│                                                                   │ └┬─ Escherichia coli (1-527/554) E24377A (9)  
│                                                                  ┌┤  └┬─ Escherichia coli (1-521/551) K12 (7)  
┤                                                                  ││   └─ Escherichia coli (1-527/554) MS 115-1 (4)  
│                                                                 ┌┤└┬─ Escherichia coli (1-527/554) MS 124-1 (1)  
│                                                                 ││ └─ Escherichia coli (1-527/554) 1044A (39)  
│                                                                 │└┬─ Escherichia coli (1-527/554) O157:H7 EDL933  [2] 
│                                                                 │ └┬─ Escherichia coli (1-521/551) B171 (1)  
│                                                                ┌┤  └┬─ fig|1040638.4.peg.770 O104:H4 (1-527/554) str. LB226692 (12)  
│                                                                ││   └┬─ fig|6666666.5357.peg.65 TY-2482 (1-527/554) strain   
│                                                                ││    └─ Escherichia coli (1-527/554) H736   
│                                                               ┌┤└┬─ Escherichia coli (1-527/554) 83972 (5)  
│                                                               ││ └─ Escherichia coli (1-527/554) 536 (5)  
│                        ┌──────────────────────────────────────┤└─ Escherichia coli (1-527/554) E2348/69 (1)  
│                        │                                      └┬─ Escherichia coli (1-517/557) O83:H1 str. NRG 857C (1)  
│                        │                                       └┬─ Escherichia coli (1-521/551) APEC O1 (5)  
└────────────────────────┤                                        └┬─ Escherichia coli (1-527/554) IAI39 (1)  
                         │                                         └┬─ Escherichia coli (1-527/554) ED1a (1)  
                         │                                          └─ Escherichia coli (1-527/554) M605 (1)  
                         │                                         ┌─ Escherichia coli (1-515/553) 536 (4)  
                         └─────────────────────────────────────────┤┌─ Escherichia coli (1-515/553) SMS-3-5   
                                                                   ││┌─ Escherichia coli (8-522/560) 042 (11)  
                                                                   └┤│   ┌─ Escherichia coli (1-515/553) EC4100B   
                                                                    ││  ┌┴─ Escherichia coli (1-515/553) MS 78-1   
                                                                    └┤ ┌┴─ Escherichia coli (1-515/553) MS 182-1   
                                                                     │┌┴─ Escherichia coli (1-515/553) TA280   
                                                                     ││    ┌─ Escherichia coli (8-522/560) CFT073 (5)  
                                                                     ││   ┌┴─ Escherichia coli (1-515/553) MS 21-1   
                                                                     └┤  ┌┴┬─ Escherichia coli (1-515/553) IAI39 (1)  
                                                                      │ ┌┤ └─ Escherichia coli (8-522/560) APEC O1 (6)  
                                                                      │┌┤└─ Escherichia coli (1-515/553) M605   
                                                                      ││└┬─ Escherichia coli (1-515/553) B354 (4)  
                                                                      └┤ └┬─ Escherichia coli (8-522/560) E2348/69 (2)  
                                                                       │  └─ Escherichia coli (1-515/553) 2362-75   
                                                                       │┌─ Escherichia coli (1-515/553) B171 (4)  
                                                                       └┤┌─ Escherichia coli (1-515/553) E24377A (1)  
                                                                        ││   ┌─ Escherichia coli (1-515/553) 1044A (20)  
                                                                        └┤  ┌┴─ Escherichia coli (1-515/553) O157:H7 EDL933 (1)  
                                                                         │ ┌┴─ Escherichia coli (1-515/553) O157:H7 str. EC4115   
                                                                         │┌┴─ Escherichia coli (1-515/553) O55:H7 str. CB9615   
                                                                         └┤ ┌─ Escherichia coli (1-515/553) K12 (36)  
                                                                          └┬┴─ Escherichia coli (1-515/553) 53638 (1)  
                                                                           └┬─ Escherichia coli (1-515/553) ETEC H10407   
                                                                            └┬─ Escherichia coli (1-515/553) MS 115-1   
                                                                             └─ fig|6666666.5357.peg.4680 TY-2482 (1-515/553) strain (2)  
  
Methyl-accepting chemotaxis protein IV (dipeptide chemoreceptor protein) (30)
Methyl-accepting chemotaxis protein II (aspartate chemoreceptor protein) (25)
Methyl-accepting chemotaxis protein I (serine chemoreceptor protein) (22)
Others (4)