# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.513360 Bacteria.278252 Proteobacteria.248557 Gammaproteobacteria.152143 Pseudoalteromonas.16722 pha.420 pha:PSHAa0430 conserved protein of unknown function; putative C4-dicarboxylate anaerobic carrier family