# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.379275 Bacteria.207891 Proteobacteria.477543 Alphaproteobacteria.349325 - tom.1956 tom:BWR18_10060 hypothetical protein OC.379275 Bacteria.207891 Proteobacteria.584988 Deltaproteobacteria.91935 Sorangium.9765 scu.2814 scu:SCE1572_13825 hypothetical protein