┌─ Escherichia coli (10-287/296) B171 (4)  
                                                              ┌┴─ Escherichia coli (10-287/296) 101-1 (4)  
                                                             ┌┴┬─ Escherichia coli (10-287/296) K12 (58)  
    ┌────────────────────────────────────────────────────────┤ └─ Escherichia coli (10-287/296) WV_060327   
┌───┤                                                        └─ Escherichia coli (10-287/296) H299   
│   └─┬────────────────────────────────────────────────────── Escherichia coli (8-266/285) O157:H7 str. EC4024   
│     └────────────────────────────────────────────────┬─ fig|1040638.4.peg.657 O104:H4 str. LB226692 (4)  
│                                                      └┬─ Escherichia coli ED1a (1)  
│                                                       └─┬─ Escherichia coli H299   
│                                                         └─ Escherichia coli M718   
│                                                                        ┌─ fig|1040638.4.peg.2991 O104:H4 (2-263/282) str. LB226692 (77)  
│                                                                       ┌┴─ Escherichia coli (2-263/282) EC4100B   
│                                                                      ┌┴─ Escherichia coli (2-263/282) IAI1 (1)  
┤                                                                     ┌┴─ Escherichia coli (23-287/306) ATCC 8739  [2] 
│                                                                    ┌┴─ Escherichia coli (23-287/306) K12 (12)  
│                                                                   ┌┴┬─ Escherichia coli (2-263/282) 536 (12)  
│                                                                  ┌┤ └─ Escherichia coli (23-287/306) APEC O1 (2)  
│                                                                  │└┬─ Escherichia coli (23-287/306) 042 (2)  
│                                                                  │ └┬─ Escherichia coli (23-287/306) E2348/69 (1)  
│                      ┌───────────────────────────────────────────┤  └┬─ Escherichia coli (2-263/282) NC101   
│                      │                                           │   └─ Escherichia coli (2-263/282) 042 (12)  
│                      │                                           └─ Escherichia coli (2-263/282) M718   
└──────────────────────┤                           ┌─ Escherichia coli (3-265/284) H299   
                       │                          ┌┴─ Escherichia coli (4-266/285) TA280   
                       │                          │┌─ Escherichia coli (3-265/284) MS 69-1   
                       └──────────────────────────┤│    ┌─ Escherichia coli (4-266/285) HS (1)  
                                                  ││   ┌┴─ Escherichia coli (4-266/285) MS 115-1   
                                                  ││  ┌┴┬─ Escherichia coli (4-266/285) FVEC1302 (3)  
                                                  └┤ ┌┤ └─ Escherichia coli (4-266/285) 042 (1)  
                                                   │┌┤└─ Escherichia coli (4-266/285) MS 21-1   
                                                   ││└┬─ Escherichia coli (4-266/285) B354   
                                                   ││ └┬─ Escherichia coli (4-266/285) SMS-3-5   
                                                   └┤  └─ Escherichia coli (4-266/285) IAI39 (1)  
                                                    │  ┌─ Escherichia coli (4-266/285) B171 (5)  
                                                    │ ┌┴─ Escherichia coli (4-266/285) 1044A (25)  
                                                    │┌┴─ Escherichia coli (4-266/285) M718   
                                                    └┤ ┌─ Escherichia coli (4-266/285) 1827-70 (2)  
                                                     │┌┴─ Escherichia coli (4-266/285) ATCC 8739 (1)  
                                                     └┤  ┌─ Escherichia coli (4-266/285) 101-1 (4)  
                                                      │ ┌┴─ Escherichia coli (4-266/285) MS 187-1   
                                                      └┬┴─ Escherichia coli (4-266/285) MS 182-1 (3)  
                                                       └┬─ Escherichia coli (4-266/285) B088 (12)  
                                                        └┬─ Escherichia coli (4-266/285) K12 (13)  
                                                         └┬─ fig|1040638.4.peg.2842 O104:H4 (4-266/285) str. LB226692 (8) [2] 
                                                          └─ Escherichia coli (4-266/285) B7A (1)  
  
Sialic acid utilization regulator, RpiR family (16)
Putative transcriptional regulator (9)
Transcriptional regulator, RpiR family (6)
Transcriptional regulator of D-allose utilization, RpiR family (5)
RpiR family transcriptional regulator (3)
hypothetical protein (3)
Others (3)