# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1865597 Bacteria.993599 Proteobacteria.424392 Alphaproteobacteria.262759 Rhodopseudomonas.6830 rpc.3322 rpc:RPC_3390 hypothetical protein OC.1865597 Bacteria.993599 Proteobacteria.424392 Alphaproteobacteria.262759 Rhodopseudomonas.6830 rpe.2837 rpe:RPE_2882 conserved hypothetical protein