┌─ Escherichia coli E22 (6)  
                                                                           ┌┴─ Escherichia coli B str. REL606 (5)  
                                                                          ┌┴─ Escherichia coli O111:H- str. 11128   
                                                                         ┌┴┬─ Escherichia coli B171 (1)  
                                                                        ┌┤ └─ Escherichia coli K12 (7)  
                                                                       ┌┤└─ Escherichia coli HS (1)  
                                                                       │└┬─ Escherichia coli MS 69-1 (1)  
                                                                       │ └┬─ Escherichia coli M718   
                                                                       │  └┬─ Escherichia coli 53638 (3)  
                                                                      ┌┤   └┬─ Escherichia coli H299 (2)  
                                                                      ││    └─ Escherichia coli B354   
                                                                      ││┌─ Escherichia coli 1044A (30)  
                                                                      │└┤ ┌─ Escherichia coli MS 124-1 (1)  
                                                                      │ └┬┴─ Escherichia coli O157:H7 EDL933  [2] 
                                                                     ┌┤  └┬─ Escherichia coli B185   
                                                                     ││   └┬─ Escherichia coli E24377A (5)  
                                                                     ││    └┬─ Escherichia coli MS 115-1 (4)  
                                                                    ┌┤│     └┬─ fig|1040638.4.peg.770 O104:H4 str. LB226692 (12) [2] 
                                                                    │││      └─ Escherichia coli H736   
                                                                    ││└─ Escherichia coli E2348/69 (1)  
                                                                   ┌┤└┬─ Escherichia coli WV_060327   
                                                                   ││ └─ Escherichia coli O83:H1 str. NRG 857C   
                                                                  ┌┤└┬─ Escherichia coli 83972 (5)  
                                                                  ││ └─ Escherichia coli 536 (5)  
                                                                 ┌┤└─ Escherichia coli M605 (1)  
                                                                ┌┤└─ Escherichia coli ED1a (1)  
┌───────────────────────────────────────────────────────────────┤└─ Escherichia coli APEC O1 (5)  
│                                                               └─ Escherichia coli IAI39 (1)  
│                                                                ┌─ Escherichia coli 536 (4)  
┤                                                                │    ┌─ fig|6666666.5357.peg.4680 TY-2482 strain (2)  
│                                                                │   ┌┴─ Escherichia coli MS 115-1   
│                                                                │  ┌┴─ Escherichia coli 53638 (1)  
└────────────────────────────────────────────────────────────────┤ ┌┴┬─ Escherichia coli K12 (36)  
                                                                 │┌┤ └─ Escherichia coli ETEC H10407   
                                                                 ││└┬─ Escherichia coli O55:H7 str. CB9615   
                                                                 ││ └┬─ Escherichia coli O157:H7 str. EC4115   
                                                                 └┤  └┬─ Escherichia coli O157:H7 EDL933 (1)  
                                                                  │   └─ Escherichia coli 1044A (20)  
                                                                  │┌─ Escherichia coli O111:H- str. 11128 (1)  
                                                                  └┤┌─ Escherichia coli ED1a (5)  
                                                                   ││ ┌─ Escherichia coli (8-560/560) CFT073 (5)  
                                                                   └┤┌┴─ Escherichia coli IAI39 (1)  
                                                                    ││   ┌─ Escherichia coli TA280   
                                                                    ││  ┌┴─ Escherichia coli SMS-3-5   
                                                                    └┤ ┌┴─ Escherichia coli (8-560/560) 042 (2)  
                                                                     │┌┴─ Escherichia coli B354 (4)  
                                                                     ││    ┌─ Escherichia coli (8-560/560) E2348/69 (1)  
                                                                     ││   ┌┴─ Escherichia coli 2362-75   
                                                                     └┤  ┌┴─ Escherichia coli WV_060327   
                                                                      │ ┌┴─ Escherichia coli O83:H1 str. NRG 857C   
                                                                      │┌┴─ Escherichia coli M605   
                                                                      └┤┌─ Escherichia coli MS 21-1   
                                                                       └┤┌─ Escherichia coli (8-560/560) APEC O1 (6)  
                                                                        └┤ ┌─ Escherichia coli MS 78-1   
                                                                         └┬┴─ Escherichia coli MS 182-1   
                                                                          └┬─ Escherichia coli EC4100B   
                                                                           └┬─ Escherichia coli E24377A (1)  
                                                                            └─ Escherichia coli B171 (4)  
  
Methyl-accepting chemotaxis protein II (aspartate chemoreceptor protein) (29)
Methyl-accepting chemotaxis protein I (serine chemoreceptor protein) (27)
Others (2)