# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509926 Bacteria.288873 Proteobacteria.280085 Deltaproteobacteria.45335 Sorangium.3781 scl.5801 scl:sce5870 hypothetical protein OC.509926 Bacteria.288873 Proteobacteria.280085 Deltaproteobacteria.45335 Sorangium.3781 scu.6722 scu:SCE1572_34935 iron-sulfur binding protein