┌─ Escherichia coli (31-318/323) 042 (7)  
                                                  ┌┴─ Escherichia coli (31-318/323) B354   
                                                 ┌┴─ Escherichia coli (31-318/323) TA143   
                                                ┌┴─ Escherichia coli (31-318/323) IAI39 (2)  
┌───────────────────────────────────────────────┴┬─ Escherichia coli (31-319/323) H299   
│                                                └┬─ Escherichia coli (31-318/323) 1044A (25)  
│                                                 └┬─ Escherichia coli (31-318/323) 1827-70 (4)  
│                                                  └─ Escherichia coli (31-318/323) 53638 (1)  
│                                             ┌─ Escherichia coli (11-315/315) CFT073 (12)  
│                                            ┌┴─ Escherichia coli MS 185-1   
│                                           ┌┴─ Escherichia coli MS 21-1   
│                                          ┌┴─ Escherichia coli M605 (1)  
│                                         ┌┴─ Escherichia coli O83:H1 str. NRG 857C   
│                                        ┌┴┬─ Escherichia coli (11-315/315) APEC O1 (1)  
│                                       ┌┤ └─ Escherichia coli (11-315/315) E2348/69 (5)  
│                                       │└─ Escherichia coli ETEC H10407   
│                                      ┌┤ ┌─ Escherichia coli (11-315/315) 042 (3)  
│                                      │└┬┴─ Escherichia coli WV_060327   
│                                      │ └┬─ fig|1040638.4.peg.3536 O104:H4 str. LB226692 (8)  
┤                                     ┌┤  └┬─ Escherichia coli B354   
│                                     ││   └─ Escherichia coli FVEC1302 (2)  
│                                    ┌┤└┬─ Escherichia coli MS 69-1 (1)  
│                                    ││ └─ Escherichia coli 1044A (22)  
│                                   ┌┤└─ Escherichia coli TA280   
│                                   │└┬─ Escherichia coli MS 196-1   
│                                  ┌┤ └─ Escherichia coli ATCC 8739 (7)  
│                                  │└┬─ Escherichia coli B171 (1)  
│                                 ┌┤ └─ Escherichia coli K12 (22)  
│   ┌─────────────────────────────┤└─ Escherichia coli B088 (9)  
│   │                             └─ Escherichia coli SE11   
│   │                                                   ┌─ Escherichia coli (1-289/308) H299   
│   │                                                  ┌┴─ Escherichia coli (1-289/308) MS 21-1   
│   │                                                 ┌┴─ Escherichia coli (1-289/308) SMS-3-5   
│   │                                                ┌┴┬─ Escherichia coli (1-289/308) MS 69-1   
└───┤                    ┌───────────────────────────┤ └─ Escherichia coli (1-289/308) 83972 (7)  
    │              ┌─────┤                           └─ Escherichia coli (1-289/308) 042 (6)  
    │     ┌────────┤     └────────────────────────── Escherichia coli (3-290/296) B7A (7)  
    │     │        └────────────────────────────────────────────────┬─ Escherichia coli (8-291/294) K12 (15)  
    │     │                                                         └┬─ Escherichia coli (8-291/294) TA143   
    │     │                                                          └┬─ Escherichia coli (8-291/294) TA271   
    └─────┤                                                           └┬─ fig|1040638.4.peg.2817 O104:H4 (8-291/294) str. LB226692 (2)  
          │                                                            └┬─ Escherichia coli (13-296/299) E22 (2)  
          │                                                             └─ Escherichia coli (8-291/294) H591 (7)  
          │              ┌───────────────────────────────────── Escherichia coli (3-305/311) MS 119-7   
          │              │                                 ┌─ Escherichia coli (4-292/311) FVEC1302 (5)  
          └──────────────┤                                ┌┴─ Escherichia coli (4-292/311) MS 69-1   
                         │                               ┌┴─ Escherichia coli (4-292/311) 042 (1)  
                         └───────────────────────────────┤ ┌─ Escherichia coli (4-292/311) 83972 (11)  
                                                         │┌┴─ Escherichia coli (4-292/311) MS 185-1   
                                                         └┤ ┌─ Escherichia coli (4-292/311) 2362-75 (18)  
                                                          │┌┴─ Escherichia coli (4-292/311) WV_060327   
                                                          └┤┌─ Escherichia coli (4-292/311) B354   
                                                           └┤  ┌─ Escherichia coli (4-292/311) O157:H7 EDL933 (1)  
                                                            │ ┌┴─ Escherichia coli (4-292/311) 1044A (23)  
                                                            └┬┴─ Escherichia coli (4-292/311) E24377A (3)  
                                                             └┬─ fig|1040638.4.peg.2736 O104:H4 (4-292/311) str. LB226692 (28)  
                                                              └┬─ Escherichia coli (4-292/311) B185 (1)  
                                                               └─ Escherichia coli (4-292/311) MS 182-1 (1)  
  
Nitrogen assimilation regulatory protein Nac (20)
Transcriptional activator protein LysR (13)
LysR family transcriptional regulator YhjC (8)
LysR family transcriptional regulator YfeR (6)
Xanthosine operon regulatory protein XapR, LysR family (5)
Transcriptional regulator, LysR family (1)
Nitrogen assimilation control protein (1)
LysR family transcriptional regulator near succinyl-CoA:3-ketoacid-coenzyme A transferase (1)
Others (3)