# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.675585 Bacteria.203745 Proteobacteria.360004 Alphaproteobacteria.152624 Pelagibacter.1721 pub.457 pub:SAR11_0467 Uncharacterized conserved protein OC.675585 Bacteria.203745 Proteobacteria.360004 Alphaproteobacteria.152624 - apm.1202 apm:HIMB5_00012400 hypothetical protein; K08998 uncharacterized protein