# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.238900 Bacteria.979328 Proteobacteria.405848 Alphaproteobacteria.236337 Methylorubrum.7967 Methylorubrum_extorquens.9002 mea.5574 mea:Mex_2p0736 Hypothetical protein