┌─ Escherichia coli 53638 (6)  
┌──────────────────────────┴─────── Escherichia coli 1044A (24)  
┤                              ┌─────── Escherichia coli O111:H- str. 11128   
└──────────────────────────────┤┌─────── Escherichia coli ED1a (2)  
                               └┤┌─────── Escherichia coli E22 (1)  
                                └┤ ┌─────── Escherichia coli MS 78-1   
                                 └┬┴─ Escherichia coli K12 (81)  
                                  └┬─────── Escherichia coli NC101   
                                   └┬──────────────────────────────────── Escherichia coli MS 115-1   
                                    └────────────── Escherichia coli 1827-70   
  

  
LPS-assembly lipoprotein RlpB precursor (Rare lipoprotein B)
 (10)