# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.661117 Bacteria.218227 Proteobacteria.644262 Gammaproteobacteria.151756 Stenotrophomonas.7223 Stenotrophomonas_maltophilia.6485 smt.1672 smt:Smal_1675 conserved hypothetical protein