┌─ Escherichia coli (227-538/552) O103:H2 str. 12009   
                                                                    ┌┴─ Escherichia coli (227-538/552) B str. REL606 (1)  
                                                                   ┌┴─ Escherichia coli (227-538/552) 1827-70 (2)  
                                                                  ┌┴─ Escherichia coli (227-538/552) TA271   
                                                                 ┌┴─ fig|1040638.4.peg.5313 O104:H4 (227-538/552) str. LB226692 (60)  
                                                                ┌┴─ Escherichia coli (227-538/552) K12 (16)  
                                                               ┌┴┬─ Escherichia coli (227-538/552) 83972 (5)  
                                                              ┌┤ └─ Escherichia coli (247-558/572) ATCC 8739 (2)  
                                                             ┌┤└─ Escherichia coli (247-558/572) 042 (27)  
                   ┌─────────────────────────────────────────┤└─ Escherichia coli (227-538/552) M605 (1)  
                   │                                         └─ Escherichia coli (227-538/552) APEC O1 (6)  
┌──────────────────┤                         ┌─ Escherichia coli (227-535/543) MS 146-1   
│                  └─────────────────────────┤┌─ Escherichia coli (227-535/543) MS 69-1 (2)  
│                                            └┤ ┌─ Escherichia coli (227-535/543) B354   
│                                             └┬┴─ Escherichia coli (227-535/543) K12 (109)  
│                                              └┬─ Escherichia coli (227-535/543) M718   
│                                               └─ fig|1040638.4.peg.1171 O104:H4 (227-535/543) str. LB226692 (12)  
│                                                ┌─ Escherichia coli (271-604/612) 042 (8)  
│                                               ┌┴─ Escherichia coli (267-600/608) M718   
│                                              ┌┴─ Escherichia coli (267-600/608) B354   
┤                                             ┌┴─ Escherichia coli (267-600/608) IAI39 (2)  
│                                            ┌┴┬─ Escherichia coli (267-600/608) K12 (26)  
│                                           ┌┤ └─ Escherichia coli (267-600/608) ETEC H10407   
│                                          ┌┤└─ Escherichia coli (267-600/608) MS 21-1   
│          ┌───────────────────────────────┤└─ Escherichia coli (267-600/608) H299   
│          │                               └┬─ Escherichia coli (267-600/608) ED1a (1)  
│          │                                └─ Escherichia coli (267-600/608) 2362-75 (26)  
│          │                                   ┌─ Escherichia coli B7A (3)  
│          │                                  ┌┴─ Escherichia coli MS 21-1   
└──────────┤                                 ┌┴─ Escherichia coli K12 (94)  
           │                                ┌┴─ Escherichia coli B354   
           │                               ┌┴─ Escherichia coli 2362-75 (28)  
           │    ┌──────────────────────────┴─ Escherichia coli IAI39 (2)  
           │    │                                                   ┌─ Escherichia coli (106-424/431) UTI89 (1)  
           └────┤                                                   │      ┌─ Escherichia coli (106-424/431) 1044A (24)  
                │                                                   │     ┌┴─ Escherichia coli (106-424/431) MS 124-1 (1)  
                │                                                   │    ┌┴─ Escherichia coli (106-424/431) MS 21-1 (1)  
                └───────────────────────────────────────────────────┤   ┌┴─ Escherichia coli (106-424/431) SMS-3-5   
                                                                    │  ┌┴─ Escherichia coli (106-424/431) 101-1 (6)  
                                                                    │ ┌┴─ Escherichia coli (106-424/431) H299   
                                                                    │┌┴─ Escherichia coli (106-424/431) SE15   
                                                                    └┤ ┌─ Escherichia coli (106-424/431) TA280   
                                                                     │┌┴─ Escherichia coli (106-424/431) APEC O1 (1)  
                                                                     └┤┌─ Escherichia coli (106-424/431) K12 (13)  
                                                                      └┤┌─ fig|1040638.4.peg.5083 O104:H4 (106-424/431) str. LB226692 (60)  
                                                                       └┤ ┌─ Escherichia coli (106-424/431) NC101   
                                                                        └┬┴─ Escherichia coli (106-424/431) B185   
                                                                         └┬─ Escherichia coli (106-424/431) 2362-75 (2)  
                                                                          └┬─ Escherichia coli (106-424/431) 53638 (1)  
                                                                           └─ Escherichia coli (106-424/431) 536 (4)  
  
Phosphate regulon sensor protein PhoR (SphS) (EC 2.7.13.3) (16)
Sensor kinase CitA, DpiB (EC 2.7.3.-) (10)
Sensory histidine kinase AtoS (9)
Nitrogen regulation protein NR(II) (EC 2.7.3.-) (6)
Fumarate respiration sensor kinase protein DcuS (5)
Signal transduction histidine-protein kinase atoS (EC 2.7.13.3) (1)
Others (3)