┌─ Escherichia coli 1827-70 (8)  
 ┌───────────────┴───────────────── Escherichia coli (5-301/301) HS   
┌┴────────────────┬──────────────── Escherichia coli (5-301/301) K12 (5)  
┤                 └─ Escherichia coli (5-301/301) 53638 (4)  
│                ┌─ Escherichia coli O26:H11 str. 11368   
└┬───────────────┴──────────────── Escherichia coli O111:H- str. 11128   
 └┬─ Escherichia coli 53638 (20)  
  └┬───────────────── Escherichia coli str. K-12 substr. MG1655 (1)  
   └───────────────┬─ Escherichia coli IAI1 (1)  
                   └────────────────────────────────┬─ Escherichia coli B171 (5) [2] 
                                                    └───────────────── fig|1040638.4.peg.4122 O104:H4 str. LB226692 (3)  
  

  
regulatory protein for 2-phenylethylamine catabolism
 (9)
  
Transcriptional activator feaR
 (1)
  
 Others 
(1)