# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1260564 Bacteria.169020 Proteobacteria.28325 Alphaproteobacteria.262812 Rhodopseudomonas.7359 rpt.1826 rpt:Rpal_1853 putative histon H1 OC.1260564 Bacteria.169020 Proteobacteria.28325 Alphaproteobacteria.262812 Rhodopseudomonas.7359 rpx.3763 rpx:Rpdx1_3860 hypothetical protein