┌─ Escherichia coli B171 (2)  
┌───────────┴────────────────────────── Escherichia coli E22 (1)  
┤            ┌────────────────────────── Escherichia coli B354   
└────────────┤  ┌─ fig|1040638.4.peg.4351 O104:H4 str. LB226692 (82)  
             │ ┌┴─ Escherichia coli (1-212/240) O157:H7 str. EC869   
             └┬┴─ fig|6666666.5357.peg.2497 TY-2482 strain   
              └┬────────────────────────── Escherichia coli M605 (1)  
               └┬────────────────────────── Escherichia coli B185   
                └─────────────────────────┬────────────────────────── Escherichia coli B str. REL606 (3)  
                                          └┬────────────────────────── Escherichia coli K12 (4)  
                                           └─ Escherichia coli 53638 (4)  
  

  
Transcriptional regulator CsgD for 2nd curli operon
 (9)
  
 Others 
(2)