┌─ Escherichia coli SE15   
                                                     ┌───────┴──────── Escherichia coli M605   
                                             ┌───────┴─────────── Escherichia coli 536 (2)  
                                          ┌──┴─ Escherichia coli NC101   
                                     ┌────┴─── Escherichia coli O83:H1 str. NRG 857C   
          ┌──────────────────────────┴──────── Escherichia coli IAI39 (1)  
     ┌────┴───────┬──────── Escherichia coli B185   
    ┌┤            └─────────── Escherichia coli M718   
┌───┤└──────────────── Escherichia coli E110019 (1)  
│   └──┬─ Escherichia coli MS 69-1   
┤      └────┬─── Escherichia coli APEC O1 (6)  
│           └─ Escherichia coli 83972 (5)  
└───────────┬─────────── Escherichia coli MS 115-1   
            └────────────┬─ Escherichia coli K12 (40)  
                         └┬─── Escherichia coli E24377A (1)  
                          └┬─── Escherichia coli HS (1)  
                           └────┬─── Escherichia coli O157:H7 str. EC4486   
                                └─ Escherichia coli 1044A (21)  
  

  
Biofilm PGA synthesis deacetylase PgaB (EC 3.-)
 (18)