# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.458613 Bacteria.381746 Proteobacteria.685992 Gammaproteobacteria.275153 Gammaproteobacteria___Enterobacteria.88401 Providencia.4190 prg.2851 prg:RB151_029580 OPT oligopeptide transporter protein OC.458613 Bacteria.381746 Proteobacteria.685992 Gammaproteobacteria.275153 Gammaproteobacteria___Enterobacteria.88401 Providencia.4190 phei.2315 phei:NCTC12003_02415 OPT oligopeptide transporter protein