┌─ Escherichia coli K12 (87)  
                                                              ┌┴─ Escherichia coli O157:H7 EDL933   
                                                             ┌┴────── Escherichia coli MS 21-1 (1)  
                                                            ┌┴─ Escherichia coli 042 (38)  
┌───────────────────────────────────────────────────────────┴──────── Escherichia coli O157:H7 str. EC508   
┤                                                           ┌────── Escherichia coli KO11 (2)  
└───────────────────────────────────────────────────────────┤ ┌─ Escherichia coli OP50   
                                                            └┬┴───── Escherichia coli B171 (1)  
                                                             └┬─ Escherichia coli K12 (123)  
                                                              └┬────── Escherichia coli E110019 (1)  
                                                               └────── Escherichia coli 53638 (1)  
  

  
COG2879, Hypothetical small protein yjiX
 (7)
  
LOW-AFFINITY ZINC TRANSPORT PROTEIN
 (3)
  
Uncharacterized protein yjiX
 (1)